Prihartini, Indah, and Viga Ajeng Hariska. “The Effect of Supplementing Lignolitic Probiotic in Rice Straw on in Vitro Gas Production,Concentration of Ammonia (NH3),and Volatile Fatty Acid (VFA)”. International Journal of Engineering & Technology, vol. 8, no. 1.9, Jan. 2019, pp. 139-43, https://doi.org/10.14419/ijet.v8i1.9.26387.