Sunil Kumar Singh, and Vishwambhar Nath Sharma. “Assessing Spatio-Temporal Land Use and Land Cover Changes in Sonbhadra District, Uttar Pradesh”. National Geographical Journal of India 71, no. 1 (June 30, 2025). Accessed April 16, 2026. http://65.0.158.54/index.php/ngji/article/view/955.