Bachtiar, Yudi. “MANAJEMEN KEBERSIHAN BERBASIS TANGGUNGJAWAB INDIVIDU DI SEKOLAH DASAR”. ATTA`DIB 2, no. 2 (December 31, 2018): 148–159. Accessed December 5, 2025. https://ejournal.uika-bogor.ac.id/index.php/at-tadib/article/view/19377.