Noersidiq, Azhary, Yetti Marlida, Mardiati Zain, Anwar Kasim, Fauzia Agustin, and Nurul Huda. “The Effect of Urea Levels on In-Vitro Digestibility and Rumen Fermentation Characteristic of Ammoniated Oil Palm Trunk”. International Journal on Advanced Science, Engineering and Information Technology 10, no. 3 (June 17, 2020): 1258–1262. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/11574.