He, Mengqi, Tang, Sanyi and Cheke, Robert A. ORCID: 0000-0002-7437-1934 (2020) A holling type II discrete switching host-parasitoid system with a nonlinear threshold policy for integrated pest management. Discrete Dynamics in Nature and Society, 2020:9425285. ISSN 1026-0226 (Print), 1607-887X (Online) (doi:https://doi.org/10.1155/2020/9425285)