ABDULLAHI , A. A., ALIYU , I. A., & GABASAWA , A. I. (2020). SYMBIOTIC N2 FIXATION AS AN ALTERNATIVE SOURCE OF NITROGEN - A REVIEW. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.

ABDULLAHI , A. A., I. A. ALIYU , and A. I. GABASAWA. SYMBIOTIC N2 FIXATION AS AN ALTERNATIVE SOURCE OF NITROGEN - A REVIEW. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.

ABDULLAHI , A. A., et al. SYMBIOTIC N2 FIXATION AS AN ALTERNATIVE SOURCE OF NITROGEN - A REVIEW. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.