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