(3HZjI GdWdH ai JGQjN MdH (B/ s - (3Sgjd RcGQs; (3GHf GdYOje, ceGd GdOjf Hf gHgs ((3ShQjG (B: s (3eWGHY OGQ GdTYH , s, 1988)
Keywords: (3ShQjG (B- (3JGQjNs; (3MdH (B- (3JGQjNs