Pengembangan Sistem dan Model Bisnis Pengelolaan Lumpur Tinja di Kota Sawahlunto. Jurnal Serambi Engineering, [S. l.], v. 10, n. 2, 2025. DOI: 10.32672/jse.v10i2.874. Disponível em: https://jse.serambimekkah.id/index.php/jse/article/view/874. Acesso em: 14 nov. 2026.