Amir, Amir, Dirhana Purnama, and Rita Kurnia Apindiati. “Production and Characterization of Compost Macro Nutrients from Mamasa Coffee Waste”. Jurnal Biologi Tropis 24, no. 2 (June 5, 2024): 482–487. Accessed November 24, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/6983.