Ngongolo, Ngongolo, dan Doreen Mrimi. “Optimizing Organic Agriculture: Poultry Manure Dominates in Enhancing Germination and Growth of Common Beans in Tanzania’s Semi-Arid Environment”. JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI 30, no. 1 (April 4, 2024): 35-39. Diakses September 7, 2026. https://new.berkalahayati.org/index.php/jurnal/article/view/806.