Halimatussa’diyah, Enni, Fadilla.Audia, and Alya Rahma. “Cara Pengelolaan Limbah Kopi  ”. El-Mujtama: Jurnal Pengabdian Masyarakat 4, no. 2 (August 19, 2023): 743-750. Accessed November 15, 2024. https://journal.laaroiba.com/index.php/elmujtama/article/view/4337.