Sahattaya Rattanamongkonkul. (1998) Dynamic behavior of a model for the effect of a parasite in the predator population of a two species system. Mahidol University,:ม.ป.ท.Sahattaya Rattanamongkonkul. 1998. Dynamic behavior of a model for the effect of a parasite in the predator population of a two species system. ม.ป.ท.:Mahidol University,;Sahattaya Rattanamongkonkul. Dynamic behavior of a model for the effect of a parasite in the predator population of a two species system. ม.ป.ท.:Mahidol University, 1998. Print.