Kenasa, G., M. Jida, and F. Assefa. “Characterization of Phosphate Solubilizing Faba Bean (Vicia Faba L.) Nodulating Rhizobia Isolated from Acidic Soils of Wollega, Ethiopia”. Science, Technology and Arts Research Journal, vol. 3, no. 3, Sept. 2014, pp. 11-17, https://journals.wgu.edu.et/index.php/star/article/view/418.