“CONCENTRATION OF VFA AND N-NH3 MINI ELEPHANT GRASS (Pennisetum purpureum cv. Mott) FERTILIZED ORGANIC AND NPK IN VITRO”, ANGON : J. Anim. Sci. Tech., vol. 2, no. 1, pp. 62–68, Mar. 2020, doi: 10.20884/1.angon.2020.2.1.p62-68.