A.M. PATEL, D.R. PATEL, G.A. PATEL, and D.M.THAKOR, “Optimization of sowing and fertilizer requirement of barley (Hordeum vulgare) under irrigated condition”, IJA, vol. 49, no. 3, pp. 171–173, Oct. 2001, doi: 10.59797/ija.v49i3.5188.