(3CjGe aj HdGO GdCaZGf (B/ s - (3eWQ, eMeO GdYjOs ((3HZOGO (B:s (3OGFQI GdTDhf GdKbGajg GdYGeg(B- (3BaGb YQHjg,s, 1986)
Keywords: (3CaZGfSJGfs; (3GdLZQGajGs; (3GdSaQs