“Development of Organic Waste Processing Module of Eco-Enzyme Project-Based Learning Materials for Students”. JUPE : Jurnal Pendidikan Mandala 10, no. 4 (December 27, 2025): 1715–1720. Accessed June 17, 2026. https://ejournal.mandalanursa.org/index.php/JUPE/article/view/10005.