Diba, D., and A. Tolera. “Effect of Planting Pattern and Cutting Height on In Vitro Digestibility and in Sacco Degradability of Napier Grass Mixed With Silver Leaf Desmodium at Bako, Western Ethiopia”. Science, Technology and Arts Research Journal, vol. 2, no. 2, June 2013, pp. 22-29, https://journals.wgu.edu.et/index.php/star/article/view/121.