(3eSGYi GdSdGe GdYQHjI GdGSQGFjdjI (B/ s - (3YHOGdYXje QeVGfs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdfRGY GdYQHi GdGSQGFjdis; (3GdeYGgOGJs; (3GdSdGe GdYGdeis; (3GdMQH GdYQHjI GdGSQGFjdjIs; (3MQH GcJhHQ (B1973s; (3adSWjf (B- (3JGQjN (B- (3GdYUQ GdMOjK (B- (3GdGMJdGd GdUgjhfis; (3eUQ (B- (3GdYdGbGJ GdNGQLjI (B- (3GSQGFjds