GOPAL, MURALI, et al. “Effect of Neem (Azadirachta Indica)-Based Granules on Growth Attributes of Soybean (Glycine Max) on Inoculation With Rhizobia and Fluorescent Pseudomonads”. The Indian Journal of Agricultural Sciences, vol. 69, no. 7, Jan. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/26853.