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All Journal Griya Journal of Mathematics Education and Application Journal of Epidemiology and Health Sciences
Rufianti
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Education Environmental Science Health Professions Mathematics Medicine & Pharmacology Nursing Public Health

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Pengembangan Modul Pembelajaran Pada Operasi Matriks Berbasis Penalaran Matematis Siswa Kelas XI SMK Negeri 1 Bonepantai Rufianti; Ismail, Sumarno; Achmad, Novianita
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.708

Abstract

Penalaran adalah proses berpikir yang sistematis untuk menghubungkan fakta dan menarik kesimpulan logis. Penalaran matematis merupakan inti dari pembelajaran matematika karena melibatkan proses berpikir kritis dan sistematis. Tujuan dari penelitian ini adalah untuk memberi siswa di kelas XI SMK Negeri 1 Bonepantai modul pembelajaran yang fokus pada penalaran matematis yang fokus pada materi operasi matriks. Penelitian menggunakan metode Research and Development (R&D) dengan model ADDIE (Analysis, Design, Development, Implementation, Evaluation). Proses pengembangan meliputi analisis kebutuhan, desain modul, validasi ahli, uji coba terbatas, serta implementasi pada siswa kelas XI. Pengumpulan data dilakukan melalui wawancara, observasi, dokumentasi, dan angket. Analisis data dilakukan secara kuantitatif dan kualitatif. Hasil penelitian menunjukkan bahwa modul pembelajaran matriks yang didasarkan pada penalaran matematis valid, praktis, dan efektif. 88% siswa mencapai nilai di atas KKM (≥70), dengan rata-rata 80.18, dan angket siswa menemukan bahwa kepraktisan modul sangat baik, dengan skor rata-rata 90%. Oleh karena itu, modul pembelajaran matriks yang didasarkan pada penalaran matematis dianggap valid, praktis, dan efektif untuk digunakan dalam pelajaran matematika yang berkaitan dengan materi operasi matriks.
Tuberculosis: An Analysis of Mortality Cases in Bandar Lampung City, Indonesia, 2017–2021 Milu, Sitti Fadhilah; Umanahu, Santri Fitran; Rufianti; Syaqila, Syarifah Aisiyah; Rusmin
Journal of Epidemiology and Health Science Vol. 3 No. 1 (2026): January - April
Publisher : Yayasan Cipta Anak Bangsa (YCAB) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36685/jehs.v3i1.1431

Abstract

Background: Tuberculosis (TB) remains a significant public health concern in Bandar Lampung City. The Case Notification Rate (CNR) fluctuated during 2017–2021, peaking in 2019 and declining sharply in 2020 due to disruptions caused by the COVID-19 pandemic. The proportion of detected TB cases among children was relatively low (35.1%), indicating gaps in contact tracing and early case detection. Furthermore, the treatment success rate for bacteriologically confirmed TB cases in 2021 was only 55.6%, reflecting challenges in treatment adherence and case management. TB-related mortality during treatment reached 65 cases, suggesting issues related to delayed diagnosis and comorbid conditions. These conditions highlight the need to strengthen TB control strategies. Objective: This study aims to describe the distribution of TB mortality in Bandar Lampung City during the 2017–2021 period based on secondary data from the municipal health profile. Methods: A quantitative descriptive design was employed using secondary data from the Bandar Lampung City Health Profile. Data on annual TB mortality were analyzed using tabulation, graphical presentation, and narrative interpretation to identify trends. Results: The findings indicate unstable CNR trends, low pediatric TB detection, suboptimal treatment success rates, and relatively high mortality during treatment. These reflect weaknesses in surveillance, case detection, and patient management. Conclusion: Strengthening surveillance systems, improving healthcare capacity, enhancing early detection, and ensuring equitable health service quality are essential to optimize TB control efforts. Keywords: tuberculosis cases, TB patients, treatment success, TB mortality, Bandar Lampung
Co-Authors Milu, Sitti Fadhilah Rusmin Sumarno Ismail Syaqila, Syarifah Aisiyah Umanahu, Santri Fitran