1. Al-Omari, J.F.M.: The effect of state dependent delay on harvesting on a stage-structured predator–prey model. Appl. Math. Comput. 271, 142–153 (2015)
2. Bainov, D., Simeonov, P.: Impulsive Differential Equations: Periodic Solutions and Applications. Longman, Harlow (1993)
3. Beddington, J.R., May, R.M.: Harvesting natural populations in a randomly fluctuating environment. Science 197, 463–465 (1977)
4. Braumann, C.A.: Growth and extinction of populations in randomly varying environments. Comput. Math. Appl. 56, 631–644 (2008)
5. Deng, L., Wang, X., Peng, M.: Hopf bifurcation analysis for a ratio-dependent predator–prey system with two delays and stage structure for the predator. Appl. Math. Comput. 231, 214–230 (2014)