Sethi , N. ., . N. S. Chauhan, D. . Singh, and S. . Vashisth. “Conserving Big Cats In Captivity: Management Practices Used by National Zoological Park, New Delhi, India”. Journal of Wildlife and Biodiversity, vol. 6, no. 1, Mar. 2022, pp. 20-30, doi:10.22120/jwb.2021.530611.1234.