Rakesh Kumar, Bijay Kumar Das. “Regional Analysis and Assessment of Urbanisation Pattern of Bihar Using Open Data from Indian Geoportal- Bhuvan”. Mathematical Statistician and Engineering Applications 71, no. 4 (January 12, 2023): 8867–8879. Accessed May 4, 2024. https://www.philstat.org/index.php/MSEA/article/view/1593.