Anil Kumar Tiwari, Ravindra K. Pandey, and Vishwambhar Nath Sharma. “A Study of Disparities in the Socio-Economic Development of Eastern Uttar Pradesh, India”. National Geographical Journal of India, vol. 67, no. 4, Dec. 2021, pp. 438-46, http://65.0.158.54/index.php/ngji/article/view/299.