A.S, S. ., Khamash, N. A. E.-., & Mohamed, S. H. . (2016). ISOLATION AND CHARACTERIZATION OF FREE-NITROGEN FIXER BACTERIAL STRAINS (Azotobacter sp.) AND THEIR PHAGES FROM MAIZE RHIZOSPHERE-SOIL AT TAIF. Pakistan Journal of Biotechnology, 13(1), 31–37. Retrieved from https://pjbt.org/index.php/pjbt/article/view/74