M.M. PUNIYA, S.S. YADAV, and A.C. SHIVRAN, “Productivity, profitability and nitrogen-use efficiency of barley (Hordeum vulgare) as influenced by weed management and nitrogen fertilization under hot semi-arid ecologies of Rajasthan”, IJA, vol. 60, no. 4, pp. 564–569, Oct. 2001, doi: 10.59797/ija.v60i4.4493.