Haran, M. S. ., & Thaher, A. Z. T. . (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, 7–14. https://doi.org/10.37077/25200860.2019.252