A prey-predator model with a cover linearly varying with the prey population and an alternative food for the predator. Narayan, K.L.; Paparao, A.V. — 2009 International Journal of Open Problems in Computer Science and Mathematics. IJOPCM
A prey-predator model with an alternative food for the predator, harvesting of both the species and with a gestation period for interaction. Narayan, K.L.; Ramacharyulu, N.CH.P. — 2008 International Journal of Open Problems in Computer Science and Mathematics. IJOPCM