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The increasing digitalization of educational systems has raised significant concerns about the security, privacy, and integrity of student data. Traditional centralized data management systems are vulnerable to cyberattacks, data manipulation, and breaches, which necessitate more secure and privacy-preserving solutions. This study aims to explore the integration of blockchain and federated learning as a combined approach to secure educational data management. A systematic literature review methodology was employed to examine relevant studies on the application of blockchain and federated learning in education. The review identified key themes such as blockchain’s potential to provide transparency, immutability, and security, while federated learning enables privacy-preserving data analysis without sharing sensitive information. The findings suggest that the integration of these technologies offers a promising solution to the challenges of managing educational data, enhancing both security and privacy. This study contributes to the academic literature by presenting a conceptual framework that combines blockchain and federated learning for secure and efficient educational data management. The implications of this work extend to policy and practice, particularly in ensuring regulatory compliance and data protection in educational institutions, and offer valuable insights for future research on the scalability and practical implementation of these technologies in real-world educational settings.

Pola hidup sehat merupakan gaya hidup yang perlu dijaga untuk memperoleh kesehatan yang optimal baik fisik, kerohanian, mental dan sosial. Pada saat ini banyak siswa-siswi SD yang tidak memperhatikan kesehatannya. Banyak yang mengikuti selera tanpa menyadari kualitas makanan yang sedang dikonsumsi, makan tanpa memperhatikan kebersihan tangan, dan jarang olahraga. Tujuan dari Kegiatan Pengabdian Masyarakat ini adalah untuk meningkatkan kesadaran siswa-siswi SD Advent Martoba akan pentingnya menjaga pola hidup sehat dengan memberikan seminar mengenai makanan sehat, cuci tangan yang benar sebelum dan sesudah makan, olahraga. Metode yang dilakukan ialah metode survei deskriptif. Hasil analisis data menunjukkan adanya peningkatan signifikan pada skor pengetahuan. Uji paired samples correlations menunjukkan korelasi yang sangat kuat antara pre tes dan post tes (r=0.861, p=0.000). Dari data ini, kegiatan ini berdampak positif kepada siswa-siswi SD Advent Martoba dengan meningkatnya kesadaran mereka untuk memilih makanan yang sehat dan bersih, mencuci makan sebelum dan sesudah makan, serta pentingnya berolahraga. Kata Kunci: Anak Usia Sekolah, Pengetahuan, Pola Hidup Sehat  

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Latar belakang: Saat ini kesepian menjadi salah satu masalah psikososial yang banyak dialami bagi lansia. Kesepian merupakan suatu kondisi yang tidak menyenangkan yang dialami lansia sehingga menimbulkan berbagai macam gangguan kesehatan baik itu secara fisik maupun psikologis. Beberapa penelitian sebelumnya telah menghubungankan banyak faktor yang mempengaruhi kesepian pada lansia, namun sangat sedikit informasi mengenai kesepian pada lansia yang hidup di wilayah pesisir. Tujuan: penelitian ini mengetahui apakah jenis kelamin, status tinggal dan depresi dapat mempengaruhi kesepian pada lansia yang tinggal di wilayah pesisir di Indonesia. Metode: cross-sectional deskriptif dan korelasi menggunakan Tratified random sampling sampling pada lima puskesmas di Kota Kendari sebanyak 206 lansia. Alat ukur yang digunakan adalah Geriatric Depression Scale Short Form (GDS-SF) dan satu item pertanyaan kesepian. Hasil: analisis menunjukkan bahwa ada hubungan yang signifikan antara jenis kelamin (p=0.0012, OR: 2.63 dan 95%CI: 1.44 – 4.81), status tinggal (p=0.0090, OR: 8.14 dan 95%CI: 1.04-63.9), dan gejala depresi (p=0.0012, OR: 2.63 dan 95%CI: 1.44 – 4.81). Dari hasil tersebut dapat disimpulkan jenis kelamin, status tinggal dan gejala depresi dapat memicu rasa kesepian yang tinggi serta dapat menimbulkan hal negatif dalam psikologi lansia. Kondisi ini menunjukan bahwa dukungan keluarga, lingkungan dan pemerhati kesehatan lansia sangat di butuhkan untuk mengurangi rasa kesepian yang mereka miliki. Kesimpulan: Kesepian merupakan masalah yang sangat serius pada populasi lansia yang hidup di wilayah pesisir. Para praktisi kesehatan dan keluarga harus memberikan perhatian dan dukungan kepada para lansia

This study aimed to investigate associated factors of spirituality and spiritual care in clinical nurses in Indonesia. Cross-sectional descriptive and correlational research designs were used in this study. Purposive sampling was applied among 204 participants in private hospitals, Medan and Bandung, Indonesia. The questionnaires consisted of demographic and characteristics information and the spirituality and spiritual care rating scale (SSCRS). Mann Whitney test was used to investigate associated factors of spirituality and spiritual care in clinical nurses in Indonesia. This study found that there was statistically significant between department with spirituality (p=0.017), receiving spiritual care lessons during nurse training with spiritual care (p=0.032), and receiving spiritual care lessons during nurse training (p=0.013) and educational background with nurses’ perception of spirituality and spiritual care (p=0.040). Receiving spiritual care lessons during nurse training, and educational background were statistically significant with spirituality and spiritual care in clinical nurses in Indonesia. The findings of this study provide information for clinical nurses and generally of nurses to understand the perception of spirituality and spiritual care in hospital for care patient in a hospital in Indonesia. It is also suggested that appropriate strategies to improve knowledge and perception of spirituality and spiritual care should be developed shortly.

 ABSTRACT  In the beginning year of 2020, the World Health Organization (WHO) declared the coronavirus  outbreak  as  a  Global  Public  Health  Emergency.  Coronavirus  is continuing its spread across the world. The virus is surging in many regions and countries  that  had  apparent  success  in  suppressing  initial  outbreaks  are  also seeing  infections  rise.  The  COVID-19  pandemic  has  led  to  a  dramatic  loss  of human life worldwide and presents an unprecedented challenge to public health, food systems and the world of work. The impact of the COVID-19 pandemic was now beginning to spread to the world of education. The policies taken by many countries including Indonesia by dismissing all educational activities and related institutions  must  present  alternative  educational  processes  for  students  and students  who  cannot  carry  out  the  educational  process  in  educational institutions.    This  community  project  was  aimed  to  increase  the  knowledge  of COVID-19 and to promote the health status of college students in Surya Nusantara Nursing School, School of Business, School of Theology and academy students as well.  These  schools  are  situated  in  the  area  of  Pondok  Sayur,  city  of Pematangsiantar. It is expected that those who completed the health promotion seminar would be able to conduct effective prevention and control activities for COVID-19 as per the guidelines in primary health centers across the country. The main aim of this community project was to encourage behaviour change among the people that will help them adapt helpful behaviours in the long fight against 

Hipertensi  masih  merupakan  tantangan  besar  di  Indonesia  dan  merupakan kondisi  yang  sering  ditemukan  pada  pelayanan  kesehatan  primer  kesehatan. Hipertensi  merupakan  masalah  kesehatan  dengan  prevalensi  yang  tinggi  dan pengontrolan  hipertensi  belum  adekuat  meskipun  obat-obatan  yang  efektif banyak  tersedia.  World  Hypertension  Day  (WHD)  atau  Hari  Hipertensi  Dunia diperingati  setiap  tahun  setiap  tanggal  17  Mei  sejak  2005.  Kegiatan  ini dimaksudkan  untuk  menyebarluaskan  informasi  kepada  seluruh  masyarakat  di dunia  agar  memberikan  perhatian,  peran  serta  dan  mendukung  upaya pencegahan dan penanggulangan masalah hipertensi sebagai silent killer, yang berpotensi  menyebabkan  epidemi  di  dunia.  Tujuan  pemberian  edukasi  dalam kegiatan  penyuluhan  ini  maka  masyarakat  di  Kelurahan  Pondok  Sayur  melalui ibu-ibu PKK dapat meningkatkan pengetahuan masyarakat sebagai dasar utama untuk  melakukan  tindakan  pengendalian  dan  pencegahan  terjadinya  penyakit hipertensi.  Diharapkan  setelah  mengikuti  kegiatan  penyuluhan  kesehatan  ini maka masyarakat akan meningkat kesehatannya, melalui tindakan pencegahan dan pengendalian penyakit hipertensi.

Abstract. The aim of this study was to examine the technology for decision support in the selection of baby cream products for sensitive skin in children under three years of age. Babies' skin sensitivity should be addressed in order to maintain the baby's skin health, but parents should be more careful with product selection in the number of products to treat sensitive skin in babies on the market. Data sources obtained through random observations, interviews and questionnaires (parents who have babies). The solution provided is the Preference Selection Index (PSI) method, which is part of the support system for decision making. Five criteria are used as parameters when selecting sensitive skin product for children, namely: price (K1), type of skin (K2), feeling of brand (K3), interests (K4) and packaging (K5). While the alternatives used based on the interview results are cussons (alt1), johnson's (alt2), zwitsal (alt3), pigeon (alt4), and sleek (alt5). The results of the Preference Selection Index could be used by analysis of the first recommendation of product alt1 (cussons), a value of 0.978584. The second recommendation of product alt3 (zwitsal) is a value of 0.976655. Research results are hoped to provide a wider awareness for babies when selecting sensitive skin products for three years old.

Research  aims  (1)  to  improve  the  filing  system  that  is  still  manual  and can  facilitate  workmanship  in  inputting  mail  data  (2)  as  learning  the creation  of  information  systems  in  the  form  of  Web  Base  using  model view controller programming methods. This research was conducted at a college institution. The method used in this study is the collection of data by  observing  directly  on  the  research  object  regarding  the  workings  of college  institutions  in  handling  the  filing  of  incoming  and  outgoing letters.  Furthermore,  the  data  that  has  been  obtained  will  be  equipped with interview data about existing archiving. From the results of research that  has  been  carried  out  it  can  be  concluded  that  with  the  information system filing incoming letters and exit letters can help, facilitate the work in filing at college institutions.

ABSTRACT – The paper examines the market efficiency of nine industry sectors of the IDX market. Using  an  event  window  of  30  days  post-earnings  announcement  stock  returns  after  the  public announcement of the financial statements as of 31 December 2018, the study tests the significance of  cumulative  average  abnormal  returns  surrounding  the  earnings  announcement.  The  study concludes  that  there  are  significant  variances  in  the  market  efficiency  towards  earnings announcement across nine industry sectors in IDX. The finding indicates that the industry-specific factors influence the level of abnormal returns surrounding the earnings announcement. However, the findings reject the market efficiency in agriculture (AGRI) and property, real estate, and building (PROP) industries. The results illustrate that the miscellaneous industry (MISC) reacts immediately to the earnings announcement, but its significance is only for a short period. The infrastructure, utilities, and transportation (INFRA) industry show delays in its response to the announcement but continuously  significant  for  a  relatively  long  period.  Other  industries  of  mining  (MINING),  basic industry and chemicals (BASIC), construction, real estate, and building (CONS), financial (FIN), as well  as  trading,  services,  and  investments  (TSI),  report  significant  negative  CAARs  in  all investigated windows. The One Way ANOVA testing concludes that the nine industries' cumulative average abnormal returns on IDX are significantly different from each other sectors.  KEYWORDS Abnormal Returns, Earnings Announcement, Industry, Market Efficiency

The  year  1970  is  an  important  milestone  in  Seventh-day  Adventist  organization  in Indonesia. First, as the Union of  Indonesia was  organized  in 1929, 1970 is relatively the  middle  of  the  Indonesia  movement  up  to  now.  Second,  started  in  1970  the leadership in the two Indonesia unions were transferred from non-Indonesian leaders to the native Indonesian.  In that relation, this study compares the achievements of the Seventh-day Adventist church leadership in Indonesia pre and post 1970, the year when the leaderships were transferred from non-Indonesian to the native Indonesian, from the view  of  membership,  numbers  of  churches,  as  well  as  the  institutional  and  landmarks establishments.The  finding  indicates  that  the  achievements  of  Seventh-day  Adventist church  in  Indonesia  under  leadership  of  native  Indonesia  post  1970  is  significantly decrease when compared to the non-Indonesian leadership in previous period from the view  of  membership  growth(83.55%)  and  number  of  churches  (102.94%).  This conclusion  is  indicated  by  average  annual  membership  growth  which  decreases  from 7.81% in Period 1 of to 3.56% in Period 2 and the average annual number of churches growth  which  decreases  from  5.30%  in  Period  1  of  to  2.69%.  The  statistical  data  also reported  that most of current major  institutions and landmarks were established during the  leadership  of  non-Indonesian.    Nevertheles,  the  leadership  in  Period  2  had maintained the institutions and developed them into more sophisticated institutions.     Keywords:  Seventh-day  Adventist  Church  ,  leadership,  membership  growth,  number  of churches 

The study examines the predictive ability of interim announcement on projecting year-end financial statements. The investigation tests the accuracy of projected income statements by using proportional method of Q1, Q2, and Q3 interim announcements against actual year-end.   The study investigates 280 announcements from 70 of 415 firms listed in Indonesia Stock Exchange.  The  indicators  being  measured are  the  income  statements  components  which include revenue, expense, other income/loss, net income,  and earning per share (EPS) of the interim announcements. The study uses mean deviation as tools on measurements.    The  finding  indicates  that  income  statements  reported  in  the  interim  announcements,  if projected proporsionally, deviate signifantly against the actual year-end (Q4), in most type of  industries,  which  reflected  by  the  significant  mean  deviation.  The  conclusion  is consistent in all main components of income statements tested, including sales, expenses, other income/loss, net income, and earning per share (EPS). However, the study indicates that eventhough the deviation is still signicant, it is reduced in Q2 and Q3 as the periods are longer.   Keywords: interim announcement, mean deviation, Indonesian Stock Exchange