Silas David Emmanuel, I. M. Bugaje, E. M. Okonkwo, S. Umar, M. Tanimu & M. C. Adeyeye. The Potential Role of Plants Growth Promoting Rhizobium Species from Organic Base Bio Fertilizer Production from Nitrogen Fixing Bacteria: A Sustainable Approach for Developing Countries. RACAS-V5 2024, 140-176.