Samuel, A. B., L. O. George, and N. J. Kagendo. “Rosenzweig-Macaurther Model With Holling Type II Predator Functional Response for Constant Delayed Migration”. Asian Research Journal of Mathematics, Vol. 15, no. 1, Aug. 2019, pp. 1-14, doi:10.9734/arjom/2019/v15i130140.