M. A., Yassin, G. A. El Hassan, Alsamowal, M. M., and M.A. Hadad. 2016. “Effect of Organic Fertilizer Application Rate and Azospirillum Brasilense Inoculum Level on Growth and Growth Components of Sweetpotato (Ipomoea Batatas L).”. IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668) 2 (4), 52-62. https://doi.org/10.53555/ar.v2i4.40.