Getachew, Zerihun, Girma Abera, and Sheleme Beyene. 1. “Sulfur Fertilizer and Rhizobia Inoculation Improved Soybean (Glycine Max L. Merill) Growth Performance and N 2 Fixation on Acidic Nitisols of Western Ethiopia”. Ethiopian Journal of Applied Science and Technology 8 (1), 11-21. https://journals.ju.edu.et/index.php/ejast/article/view/649.