Girma, N and Mekibib, F and Fikre, A and Keneni, G and Ganga Rao, N V P R and Gaur, P M and Ojiewo, C O (2017) Heterosis for Nitrogen Fixation and Seed Yield and Yield Components in Chickpea (Cicer arietinum L.). International Journal of Sustainable Agricultural Research, 4 (2). pp. 50-57. ISSN 2312-6477