R. S. SHARIFI, S. M. ABTAHI, and P. GHASEMINEJAD, “Integrated fertilization systems effects on yield, nodulation state and fatty acids composition of soybean (Glycine max)”, Indian J Agri Sci, vol. 86, no. 8, pp. 1010–5, Aug. 2016, doi: 10.56093/ijas.v86i8.60523.