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All Journal SECONDARY : Jurnal Inovasi Pendidikan Menengah (JIPM) Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat
Aditya, Bagas
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Education Languange, Linguistic, Communication & Media Library & Information Science Public Health Social Sciences Other

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Enhancing the Management and Recycling Capacity of Styrofoam Waste Through a Green Economy Approach Setyono, Gatot; Rodhiyah, Rodhiyah; Ulum, Miftahul; Haryadi Ogsa, Muhammad Al Khawarizmi; Aditya, Bagas
Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat) Vol 5 No 5 (2025): Jurnal Pustaka Mitra (Pusat Akses Kajian Mengabdi Terhadap Masyarakat)
Publisher : Pustaka Galeri Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55382/jurnalpustakamitra.v5i5.1291

Abstract

Styrofoam waste poses a serious environmental challenge due to its non-biodegradable nature and the lack of sustainable disposal solutions. Conventional methods such as landfilling and incineration often lead to secondary problems, including soil contamination and harmful emissions. This community partnership program was conducted at UD Tiga Putra, a micro-enterprise in Gresik, Indonesia, which previously relied on a 150 kg/day Styrofoam melting machine prone to frequent breakdowns and inconsistent product quality. To address these issues, an appropriate-technology Styrofoam melting machine with a capacity of 300 kg/day was introduced, effectively doubling production capacity (from 150 to 300 kg/day) and improving product uniformity. In addition, structured occupational health and safety (OHS) training was provided to 12 employees, covering fire extinguisher (APAR) usage, personal protective equipment, and workplace safety practices. Financial mentoring was also delivered, emphasizing systematic bookkeeping, separation of personal and business finances, and preparation of transparent reports. Evaluation using pre- and post-training assessments and direct observation showed significant improvements: OHS awareness scores increased by 20%, financial documentation accuracy improved, and operational disruptions decreased. Overall, the integration of technological innovation, safety training, and financial management mentoring not only strengthened the resilience and sustainability of UD Tiga Putra but also offers a replicable model for empowering other micro-enterprises in line with circular economy principles.
ANALISIS KESULITAN DALAM MENYELESAIKAN SOAL BARISAN DAN DERET GEOMETRI SISWA SEKOLAH MENENGAH ATAS Isnaini, Ade Nur; Mahardika, Arsyi Pramudya; Aditya, Bagas; Napis, Napis
SECONDARY: Jurnal Inovasi Pendidikan Menengah Vol. 6 No. 1 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/secondary.v6i1.9210

Abstract

This study aims to determine the difficulties students experience in working on problems on geometric sequences and series. The type of research used is descriptive qualitative. The subjects studied were 10 students of class X-5 SMA Putra Bangsa, Depok City, based on the results of daily tests that were below the Minimum Completion Minimum (KKM). The test was given as many as 5 essay questions in the form of stories. The results of the study showed that the causes of difficulties experienced by students in solving geometric sequences and series problems included: 1) difficulties in distinguishing geometric sequences and series problems, 2) difficulties in understanding the intended problem and difficulties in translating it into mathematical sentences, 3) difficulties in solving problems related to geometric sequences and series material, sometimes students are confused by the questions asked in the problem, 4) students' difficulties when answering questions and entering formulas. This is as from the analysis it is known that the highest percentage of students' difficulties in solving story problems on geometric sequences and series reaches 71%. ABSTRAK Penelitian ini bertujuan untuk mengetahui kesulitan siswa dalam mengerjakan soal pada materi barisan dan deret geometri. Adapun jenis penelitian yang digunakan adalah deskriptif kuallitatif. Subjek yang diteliti adalah siswa kelas X-5 SMA Putra Bangsa Kota Depok sebanyak 10 siswa berdasarkan pada hasil ulangan harian yang berada dibawah KKM. Tes diberikan sebanyak 5 butir soal  essay berbentuk cerita. Hasil penelitian menunjukan bahwa penyebab kesulitan yang dialami siswa dalam menyelesaikan soal barisan dan deret geometri diantaranya: 1) kesulitan dalam membedakan soal barisan dan deret geometri, 2) kesulitan memahami soal yang di maksud dan kesulitan dalam menerjemahkan kedalam kalimat matematika, 3) kesulitan dalam menyelesaikan soal berkaitan dengan materi barisan dan deret geometri terkadang siswa  terkecoh dengan pertanyaan yang ditanyakan pada soal, 4) kesulitan siswa pada saat menjawab soal dan memasukan rumus. Hal ini sebagaimana dari analisis diketahui bahwa presentase tertinggi kesulitan siswa dalam melakukan penyelesaiann soal cerita pada barisan dan deret geometri mencapai 71% .
Co-Authors Gatot Setyono Haryadi Ogsa, Muhammad Al Khawarizmi Isnaini, Ade Nur Mahardika, Arsyi Pramudya Miftahul Ulum Napis, Napis Rodhiyah Rodhiyah