Siyar, Saira, Naila Inayat, and Fida Hussain. “Plant Growth Promoting Rhizobacteria and Plants’ Improvement- A Mini-Review”. PSM Biological Research 4, no. 1 (October 20, 2018): 1–5. Accessed May 19, 2024. https://psmjournals.org/index.php/biolres/article/view/214.