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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika BIODIVERS - BIOTROP Scientific Magazine
Endro Setiawan
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Mathematics

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PENGEMBANGAN BAHAN AJAR BARISAN DAN DERET MATEMATIKA BERBASIS MULTIMEDIA INTERAKTIF Endro Setiawan; Swaditya Rizki
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 7, No 3 (2018)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.458 KB) | DOI: 10.24127/ajpm.v7i3.1680

Abstract

The objective of this development research was to produce the learning  materials of sequence and series based on interactive multimedia that were valid and practical to use for the student. This research type was Research and Development (R&D). The model used in this research was Plomp model consisting of three phases, namely preliminary research, prototype, and assessment. The instrument used questionnaire consisting of two types of questionnaires, the first expert validation questionnaire conducted by two material experts and two learning material design experts. The second, the student response questionnaire was conducted by 10 students of Vocational high School of Muhammadiyah 1 Metro. Based on the validations process were obtained the result that  the average percentage of material experts was 82.01% in the very feasible category. The results of the assessment of students' response questionnaires was obtained the average percentage of 87.55% with a very practical category. Based on the exposure to the results of the validity and practicality test, it can be concluded that the learning  materials of sequence and series based on interactive multimedia are valid and practical for learning.
Amphibians from Peat Swamp Forestof Gunung Palung National Park, WestKalimantan, Indonesia Ferdian Wira Pratama; Qothrun Izza; Sandy Leo; Junardi; Riyandi; Endro Setiawan
BIODIVERS - BIOTROP Science Magazine Vol. 5 No. 2 (2026): BIODIVERS Volume 5 No. 2 (2026)
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56060/bdv.2026.5.2.2970

Abstract

  Peat swamp forests are unique and vulnerable ecosystems that supportspecialized biodiversity, including amphibian communities that are highlysensitive to environmental changes. However, information on amphibiandiversity in peat swamp forests of West Kalimantan, particularly in GunungPalung National Park, remains limited. This study aimed to documentamphibian species richness and composition in peat swamp habitats usingVisual Encounter Survey (VES) methods across multiple observationsites with differing environmental conditions. A total of 19 species wererecorded, including several species widely associated with peat swampecosystems and notable records that expand known distributions in Borneo.Species composition varied across sites and was influenced by vegetationstructure, habitat conditions, and acidity levels. These findings provideessential baseline data and highlight the importance of habitat heterogeneityin shaping amphibian communities, supporting future conservation planningand biodiversity monitoring in peat swamp ecosystems. 
Co-Authors Ferdian Wira Pratama Junardi Junardi Qothrun Izza Riyandi Sandy Leo Swaditya Rizki