Prajapati, K., Yami, K. D. and Singh, A. (2010) “Plant Growth Promotional Effect of <i>Azotobacter chroococcum</i>, <i>Piriformospora indica</i> and Vermicompost on Rice Plant”, Nepal Journal of Science and Technology, 9, pp. 85–90. doi: 10.3126/njst.v9i0.3170.