(3YGde GdTWQfL (B/ s - (3YHOGdQMef eMahX eMeOs ([S.N] : (3efTGI GdeYGQa , s, 1987)
Keywords: (3GdTWQfLs; (3GdGdYGH GdQjGVjIs; (3GdQjGVI GdPgfjIs; (3GdGdYGH GdQjGVjI GdaQOjIs