G. F. Guadayo, A. A. Rayos, F. E. Merca, A. G. Tandang, M. M. Loresco, and A. A. Angeles, “Prediction of In Situ Ruminal Degradability of Forages in Buffaloes Using the In Vitro Gas Production Technique”, Trop. Anim. Sci. J., vol. 42, no. 2, pp. 128–136, Jul. 2019, doi: 10.5398/tasj.2019.42.2.128.