K. GOVINDAN, and V. THiRUMURUGAN. “Synergistic Association of Rhizobium With Phosphate-Solubilizing Bacteria under Different Sources of Nutrient Supply on Productivity and Soil Fertility in Soybean (Glycine M U )”. Indian Journal of Agronomy, vol. 50, no. 3, Oct. 2001, pp. 214-7, https://doi.org/10.59797/ija.v50i3.5109.