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All Journal International Journal of Sustainable English Language, Education, and Science ⁠International Journal of Asian Pacific Community Service
Slamet Slamet
Universitas Kristen Cipta Wacana
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Analysis of Learning Resources Biology Book by Neil A. Campbell for class X SMA / Equivalent Liza Choirun Nisa; Juniarti Wulan Lestari; Prayitno Ribut Suwasono; Slamet Slamet; Yovita Besi
International Journal of Sustainable English Language, Education, and Science Vol. 3 No. 1 (2026)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/fjf8bp02

Abstract

This study aims to determine the results of content analysis in the Biology book by Neil A. Campbell for class X SMA / equivalent using Science Literacy. This research method is descriptive qualitative with the research subject is the Biology book by Neil A. Campbell for class X SMA / equivalent. The research instrument is a book suitability analysis. Data collection is based on the results of the analysis conducted by researchers on Biology by Neil A. Campbell for class X SMA / equivalent based on science literacy content. Based on the analysis, the suitability of the Biology book by Neil A. Campbell for grade X SMA / equivalent seen from science literacy is categorized in the Science book as a body of knowledge (a body of knowledge).
Pilot Application of a Savonius Wind Turbine-Based Residential Street-Lighting System in Madyopuro, Malang Novan Habiburrahman; Ari Sam Primadiarta; Djarot Winoto; Slamet Slamet
⁠International Journal of Asia Pacific Community Service Vol. 3 No. 1 (2026)
Publisher : Universitas Kristen Cipta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71131/6nwtpe43

Abstract

Insufficient lighting at selected residential access points and limited public familiarity with small-scale renewable energy are common challenges in densely built neighborhoods. This community service program developed a pilot Savonius vertical-axis wind turbine as a supplementary power source for an LED residential street-lighting system at Perumahan Bulan Terang Utama, RT 04/RW 18, Madyopuro, Kedungkandang, Malang, East Java. The independently funded activity did not involve a formal institutional partner. The work included site assessment, energy sizing, rotor and support-structure fabrication, generator and battery integration, installation, commissioning, safety communication, and preparation of a maintenance framework. The prototype used a two-stage Savonius rotor with a 1.44 m² swept area, a permanent-magnet generator, rectifier and buck-boost converter, charge controller, 12 V battery, dusk-to-dawn control, and a 6 W LED lamp. Engineering calculations using a rotor power coefficient of 0.15 and realistic conversion efficiencies indicated electrical outputs of approximately 1.6–12.2 W at wind speeds of 3–6 m/s. Under a representative low-wind daily scenario, the projected energy production was approximately 52 Wh/day, sufficient for about 7.5 hours of LED operation after storage losses. The prototype provides a practical platform for demonstrating energy conversion and maintenance requirements. Long-term wind measurement, structural verification, electrical-safety review, and battery monitoring are required before broader replication.
Co-Authors Ari sam Primadiarta Djarot Winoto Juniarti Wulan Lestari Liza Choirun Nisa Novan Habiburrahman Prayitno Ribut Suwasono Yovita Besi