(3UdGM GdOjf GdGjhHi GdHWd GdfGUQ dOjf Gddg (B/ s - (3GHhGdMSf Ydi GdMSfi GdfOhis ((3GdbGgQI (B: s (3OGQ GdUMhg ddfTQ hGdJhRjY , s, 1991)
Keywords: (3eUQs; (3GdMQhH GdUdjHjI ai eUQs; (3GdOhdI GdGjhHjIs; (3UdGM GdOjf GdGjhHis; (3GdGjhHjhfs; (3eUQ (B- (3JGQjN (B- (3GdYUQ GdGSdGeis