Meena, H.N., J.S. Bohra, R.N. Meena, Arvind Kumar, Ashok Kumar, and S.L. Jat. 2017. “Influence of Tillage and Crop Establishment Methods on System Productivity and Economics in Rice-Wheat Cropping System”. Annals of Agricultural Research 38 (1). https://epubs.icar.org.in/index.php/AAR/article/view/70013.