Haran, Mohammed S., and Abdal Zahra T. Thaher. 2019. “Effect Bio-Fertilizer of Bacillus, Azotobacter and Pseudomonas Floresence in the Growth and Production of Corn Plant (Zea Mays L.)”. Basrah Journal of Agricultural Sciences 32 (November):7-14. https://doi.org/10.37077/25200860.2019.252.