Mukherjee, Rameswar, and Ram Bilas. “Topographic Characteristics of Ramganga River Basin : Digital Elevation Model and GIS Based Study”. National Geographical Journal of India 62, no. 3 (April 1, 2022): 201–216. Accessed April 27, 2024. https://ngji.in/index.php/ngji/article/view/469.