Impulsive Differential Equations, 1993. ,
Ordinary Differential Equations with Applications, Texts in Applied Mathematics, 1999. ,
Managing Diseases is Greenhouse Crops, Plant Disease, vol.73, issue.3, 1992. ,
DOI : 10.1094/PD-73-0190
The dynamical behaviors of a Lotka???Volterra predator???prey model concerning integrated pest management, Nonlinear Analysis: Real World Applications, vol.6, issue.2, pp.227-243, 2005. ,
DOI : 10.1016/j.nonrwa.2004.08.001
Pulse vaccination strategy in the SIR epidemic model, Bulletin of Mathematical Biology, vol.60, issue.6, pp.1123-1148, 1998. ,
DOI : 10.1016/S0092-8240(98)90005-2
The integration of chemical and biological control of the spotted alfalfa aphid: The integrated control concept, Hilgardia, vol.29, issue.2, pp.81-101, 1959. ,
DOI : 10.3733/hilg.v29n02p081