Mitiku, Getahun, Fasil Assefa, and Asfaw Hailemariam. 2017. “Henotypic and Symbiotic Effectiveness of Rhizobium Leguminosarum Bv. Viciae”. Ethiopian Journal of Applied Science and Technology 8 (1), 34-42. https://ejhs.ju.edu.et/index.php/ejast/article/view/650.