(3ecGaMI GdMQGFb (B/ s - (3GdYHGSj, UdGM GdOjfs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1998)
Keywords: (3GdMQcI GdcTajIs; (3ecGaMI GdMQGFbs; (3fGTFhf cHGQ (B(15-18 (3SfI(B)s