A. K. RAI, S. KHAJURIA, K. LATA, R. KUMAR, and J. K. JADAV, “Efficacy of zinc on yield, economics and soil properties of wheat (Triticum aestivum) in black soil of central Gujarat”, Indian J Agri Sci, vol. 87, no. 8, pp. 1062–1065, Aug. 2017, doi: 10.56093/ijas.v87i8.73241.