Singh, S. P., J. Singh, A. Bhatnagar, A. Kumar, A. Yadav, G. Gupta, U. Kumari, and G. Verma. “Yield, Nutrient Uptake and Economics of Soybean under Different Weed Management Practices”. Annals of Agricultural Research, vol. 38, no. 4, Apr. 2018, https://epubs.icar.org.in/index.php/AAR/article/view/78997.