Jannat-E-Tajkia, A. Sagar, and A. K. M. Z. Hossain. “Effect of Nitrogen Fertilization on Growth, Yield and Proximate Composition of Selected Sorghum Varieties”. Journal of the Bangladesh Agricultural University, vol. 18, no. 2, June 2020, pp. 373–378, https://jbau.bau.edu.bd/index.php/home/article/view/374.