(3KhQI eGjS (B1941 (3hOhd GdLhGQ aj GdhKGFb GdHQjWGfjI (B.s - (3GdYeQ , aGQhb UGdM (B.s ((3HZOGO (B.s (3HjJ GdMceI ,s, 2002)
Keywords: (3GdYQGb (B- (3JGQjN (B- (3GdYUQ GdMOjK (B- (3GdGMJdGd GdHQjWGfj (B.s