Singh, Ravindra K. “Studies of Valmiki National Park, Bihar With Reference to Ecological Conservation: Studies of Valmiki National Park, Bihar With Reference to Ecological Conservation”. International Journal of Pharmaceutical & Biological Archive 9, no. 03 (October 5, 2018). Accessed July 5, 2024. http://ijpba.info/index.php/ijpba/article/view/1655.