Zain, M.; Putri, E. M.; W.S.N, R.; Erpomen, .-.; Makmur, M. Effects of Supplementing Gliricidia Sepium on Ration Based Ammoniated Rice Straw in Ruminant Feed to Decrease Methane Gas Production and to Improve Nutrient Digestibility (In-Vitro). Int. J. Adv. Sci. Eng. Inf. Technol. 2020, 10, 724-729.