Belde, Sanmita, S. Anju, V. Selva Kumar, and J. Sarada. 2019. “Comparative Analysis of Plant Growth Promoting Activity of Iron, Silver and Zinc Oxide Metal Nanoparticles”. International Journal of Scientific Research in Biological Sciences 6 (1):14-18. https://ijsrbs.isroset.org/index.php/j/article/view/289.