Bouk, Gomera, and Maria Kristina Sinabang. “Utilization of Chicken Manure As Organic Fertilizer to Increase Growth and Production Elephant Grass (Pennisetum Purpureum)”. Journal of Tropical Animal Science and Technology 5, no. 2 (August 4, 2023): 30–39. Accessed November 23, 2024. https://jurnal.unimor.ac.id/index.php/JTAST/article/view/4142.