Rai, D. and Kalpana (2021) “Group size, crowding, and age class composition of the threatened Sambar Rusa unicolor (Kerr, 1792) (Mammalia: Cetartiodactyla: Cervidae) in the semi-arid regions of northeastern Rajasthan, India”, Journal of Threatened Taxa, 13(8), pp. 18975–18985. doi: 10.11609/jott.5784.13.8.18975-18985.