Tiller, Emma Jane2018-11-222018-11-222006b2354717http://hdl.handle.net/1885/151361vi, 404 leavesen-AUAuthor retains copyrightSB950.T55 2006Agricultural pests Control Environmental aspectsEcosystem managementAgricultural ecologySystem analysisA systems approach to understanding the dynamics of crop pest control systems and the natural pest control service200610.25911/5d515812616fe2018-11-21