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PENDAMPINGAN PEMBUATAN ALAT PERAGA BOLUNDARSI UNTUK MENINGKATKAN PEMAHAMAN MATERI BANGUN RUANG BOLA DI MTSN 4 CIREBON Izzati, Nurma; Hasanah, Lely; Syifani, Alya; Anika, Anika
As-Sidanah Vol 7 No 2 (2025): OKTOBER
Publisher : LP2M Universitas Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/assidanah.v7i2.406-422

Abstract

This community service activity aimed to support the improvement of mathematics learning quality at MTsN 4 Cirebon by assisting teachers in developing innovative teaching aids. The urgency of this program lies in the abstract nature of spherical geometry, which makes it difficult for students to grasp elements such as radius, diameter, center point, surface area, and volume when explained only verbally. At the same time, teachers are not yet accustomed to independently creating or using teaching aids. The specific goal of this activity was to introduce and guide the use of the “Bolundarsi” teaching aid as a visual and manipulative medium for learning spheres. The method employed was Participatory Action Research (PAR) through socialization, workshops, and classroom mentoring, with data collected via interviews, questionnaires, and observations. The results showed improved teacher skills, high participation, and enhanced student understanding and engagement. Teachers and students responded positively, indicating that Bolundarsi makes learning more interactive and supports a more concrete understanding of spherical concepts.
Peran Penting Kinerja Lingkungan, Biaya Lingkungan, Ukuran Perusahaan, Corporate Social Responsibility dan Pertumbuhan Penjualan Terhadap Kinerja Keuangan Perusahaan Anika, Anika; Setiawati, Erma
Paradoks : Jurnal Ilmu Ekonomi Vol. 9 No. 1 (2026): November - Januari
Publisher : Fakultas Ekonomi, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/paradoks.v9i1.2228

Abstract

Penelitian ini bertujuan menguji pengaruh Kinerja Lingkungan, Biaya Lingkungan, Ukuran Perusahaan, Corporate Social Responsibility (CSR), dan Pertumbuhan Penjualan terhadap Kinerja Keuangan perusahaan sektor basic materials yang tercatat di Bursa Efek Indonesia periode 2022-2024. Periode penelitian ini dipilih karena mencakup fase pemulihan perekonomian pasca pandemi COVID-19, normalisasi bisnis global, dan peningkatan tuntutan terhadap praktik Environmental, Social, and Governance (ESG). Teknik pengambilan sampel menggunakan pendekatan purposive sampling dengan unit analisis menghasilkan 34 perusahaan sehingga diperoleh 102 observasi. Metode analisis data mengaplikasikan teknik regresi linear berganda. Perolehan pengujian hipotesis mengindikasikan, kinerja lingkungan, biaya lingkungan, ukuran perusahaan, serta CSR tidak mempengaruhi kinerja keuangan perusahaan. Sedangkan, pertumbuhan penjualan dapat mempengaruhi kinerja keuangan secara positif dan signifikan.