Zewdie Workie. “Growth Performance of F1 Friesian X Boran Crossbred Dairy Calves Supplemented With Effective Micro Organism (EM) Fermented Wheat Bran (Bokashi) in the Central Highlands of Ethiopia”. Global Journal of Science Frontier Research 14, no. D9 (May 15, 2014): 1–6. Accessed April 28, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1406.