PHOSPORUS FORTIFICATION IN THE MANUFACTURE OF SOLID ORGANIC FERTILIZER MADE FROM BEEF CATTLE FECES TO PHOSPHOR LEVELS AND C/N RATIO. ANGON : J. Anim. Sci. Tech. [Internet]. 2020 Mar. 7 [cited 2026 Feb. 24];2(1):39-44. Available from: http://jnp.fapet.unsoed.ac.id/index.php/angon/article/view/85