(3GdJQcjH GdObjb ddNdjI GdMjhGfjI (B/s - (3chdO , d (B. (3J (B. (3KQjO (B.s; (3jYbhH , GfhQ jThY (B.s ((3GdehUd (B:s (3eWHYI LGeYI GdehUd ,s, 1983)
Keywords: (3GdNdjI GdMjhGfjI (B.s