Steve Kgotlelelo Mahlake, and Caven Mguvane Mnisi. “Supplementation of Grass (Eragrostis spp.) Hay With Vachellia Karroo Leaves: Effect on Chemical Composition and in Vitro Ruminal Fermentation”. Range Management and Agroforestry, vol. 41, no. 2, Oct. 2021, pp. 336-42, https://publications.rmsi.in/index.php/rma/article/view/105.