Ben Mahmud, M. T. ., & Ferjani, E. A. . (2018). Influence of Soil pH on Azotobacter Population With Using Microbiological Characteristics as Bio-Measurement in Arable Lands of Tripoli. N. W. Libya. Al-Mukhtar Journal of Sciences, 33(2), 139–148. https://doi.org/10.54172/mjsc.v33i2.180