(3ecjOI GdGH aQGfShG (B/ s - (3HSGe MLGQs; (3GfWhfjh(B, (3SGfs ([S.N] : (3UhJ GdfGS , s, 1993)
Keywords: (3GdbUU GdHhdjSjIs; (3GdbUU GdaQfSjI GdeJQLeIs