Antonius, K. G. Wiryawan, A. Thalib, and A. Jayanegara, “Digestibility and Methane Emission of Ration Based on Oil Palm By Products Supplemented with Probiotics and Banana Stem: An In vitro Study”, Pak. J. Nutr., vol. 14, no. 1, pp. 37–43, Dec. 2014, doi: 10.3923/pjn.2015.37.43.