Ramaiyulis; Ningrat, R. W. S.; Zain, M.; Warly, L. Optimization of Rumen Microbial Protein Synthesis by Addition of Gambier Leaf Residue to Cattle Feed Supplement. Pak. J. Nutr. 2018, 18 (1), 12–19. https://doi.org/10.3923/pjn.2019.12.19.