(3GSGSjGJ ai GdgfOSI GdejcGfjcjI (B/ s - (3GHQGgje eMeO YKeGf GdbQVGhis ([S.N] : (3efTGI GdeYGQa , s, 1989)
Keywords: (3GdOjfGejcG GdMQGQjIs; (3GdeYGOfs; (3GdgfOSI GdejcGfjcjIs; (3GdJYOjfs