Prakash, Chandra, N. R. Koli, R. K. Shivran, and J. C. Sharma. 2014. “Influence of Nitrogen Levels and Weed Management Practices on Productivity of Rice under Aerobic Conditions”. Annals of Agricultural Research 34 (2). https://epubs.icar.org.in/index.php/AAR/article/view/37942.