(3GdJbUjQ (B:s (3GdeMOGd (B/ s - (3eDSSI GdOQGSGJ GdadSWjfjIs; (3Hf ahQGJ jTYjG (B((3hGNQhf(B)s ([S.N] : (3eDSSI GdOQGSGJ GdadSWjfjI , s, 1986)
Keywords: (3GdfRGY GdYQHi GdGSQGFjdis; (3GSQGFjds; (3GdYedjGJ GdMQHjIs; (3GdJYHFI GdYScQjIs; (3MQH GcJhHQ (B1973s