BUDI RIYANTO; I KADEK LAJU; RIKI WANDA PUTRA; ARYA WIDIATMAJA; HASRI DEVIN; AKBAR ALIM. Optimizing Repair and Maintenance of Waste-Processing Machinery for Sustainable Environmental Management in Pariaman City. Bulletin of Pedagogical Research, [S. l.], v. 5, n. 3, p. 38–52, 2025. DOI: 10.51278/bpr.v5i3.2036. Disponível em: https://attractivejournal.com/index.php/bpr/article/view/2036. Acesso em: 13 may. 2026.