Samadi, Samadi, WajizahS., and MunawarA. A. “Rapid and Simultaneous Determination of Feed Nutritive Values by Means of Near Infrared Spectroscopy”. Tropical Animal Science Journal 41, no. 2 (July 31, 2018): 121-127. Accessed August 19, 2022. https://jma.journal.ipb.ac.id/index.php/tasj/article/view/22437.