(3GdSjGSI GdNGQLjI deUQ (B1981-1970 / s - (3LeGd Ydi RgQGfs ([S.N] : (3ecJHI eOHhdi , s, 1987)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdSdGes; (3GdYdGbGJ GdYQHjI GdGSQGFjdjIs