CHAUHAN, R P. “Efficiency of Coated-Urea Materials in Rice (Oryza Sativa) - Wheat (Triticum Aestivum) System under Partially Reclaimed Sodic Soil”. The Indian Journal of Agricultural Sciences, vol. 69, no. 5, Jan. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/26716.