“Use of Types and Dosages of Inorganic Fertilizers With Daily Cow Stool Enrichment on Stem Diameter and Dry Matter Production of Elephant Grass (Pennisetum Purpureum Schumach)”. ANGON: Journal of Animal Science and Technology 4, no. 2 (June 9, 2022): 257–267. Accessed October 31, 2025. https://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/249.