Suharti, S. et al. 2015. Digestibility, Fermentation Characteristic, Protein Microbial Synthesis and Growth Performance of Beef Cattle Fed High Forage Ration with Lerak Extract Supplementation. Pakistan Journal of Nutrition. 14, 12 (Nov. 2015), 885–891. DOI:https://doi.org/10.3923/pjn.2015.885.891.