Siyar, S., Inayat, N. and Hussain, F. (2018) “Plant Growth Promoting Rhizobacteria and Plants’ Improvement- A Mini-Review”, PSM Biological Research, 4(1), pp. 1-5. Available at: https://journals.psmpublishers.org/index.php/biolres/article/view/214 (Accessed: 16February2019).