(3GdCMGOjK GdbOSjI (B:s (3cJGH jTJed Ydi GdCMGOjK GdbOSjI GdehLhOI aj cJH GdMOjK(B.s ((3YeGf, GdCQOf (B:s (3OGQ GdacQ,s, 1988)
Keywords: (3GdMOjK GdbOSjs