Dinesh Kumar, Kavita Mishra, and Raj Bahadur. “Agriculture Productivity and Level of Agricultural Development in Eastern Uttar Pradesh of the Middle Ganga Plain”. National Geographical Journal of India 69, no. 1 (March 31, 2023). Accessed April 16, 2026. http://65.0.158.54/index.php/ngji/article/view/869.