Chettri, Rabindra. “Y- Chromosome Polymorphism in the Mongolian Origin Population of Sikkim-Darjeeling Himalaya”. The International Journal of Science & Technoledge 3, no. 12 (December 31, 2015). Accessed July 17, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/124869.