Assistance in the administration system of the Pelangi Waste Bank, Siak Regency. Community Empowerment, [S. l.], v. 6, n. 8, p. 1395–1402, 2021. DOI: 10.31603/ce.5038. Disponível em: https://coba.unimma.ac.id/ce/article/view/5038. Acesso em: 30 sep. 2026.