Research Article
A Model for Strategic Control of Sheep Parasites at Qassim Region, Saudi Arabia
Department of Veterinary Medicine,College of Agriculture and Veterinary Medicine, Qassim University, P.O. Box 6622, Buraydah, Saudi Arabia
N.M. El-Bahy
Department of Parasitology, College of Veterinary Medicine,Tanta University, Egypt
S.A. El-Shehawy
Department of Mathematics, College of Science, Qassim University, P.O. Box 6644, Buraydah 51452, Saudi Arabia