JAMALUDIN SIPAYUNG; ABDI SUGIARTO; CUT NURAINI. Optimizing Community Roles in Environmentally Friendly Wastewater Management in Central Tapanuli. International Journal of Mechanical, Electrical and Civil Engineering, [S. l.], v. 2, n. 4, p. 83–94, 2025. DOI: 10.61132/ijmecie.v2i4.344. Disponível em: https://international.aritekin.or.id/index.php/IJMECIE/article/view/344. Acesso em: 19 jul. 2026.