Singh, Harvinder, and Sanjeev Goel. “SUB-REGIONAL POPULATION ANALYSIS OF UTTARAKHAND”. AGPE THE ROYAL GONDWANA RESEARCH JOURNAL OF HISTORY, SCIENCE, ECONOMIC, POLITICAL AND SOCIAL SCIENCE 3, no. 4 (May 18, 2022): 52–62. Accessed April 28, 2024. https://agpegondwanajournal.co.in/index.php/agpe/article/view/130.