Sunita Gakkhar and Kul Bhushan Agnihotri (2010) “S. I. S Model for Disease Transmission from Prey to Predator”, Journal of International Academy of Physical Sciences, 14(1), pp. 15–31. Available at: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/158 (Accessed: 19 May 2024).