(3SMQ HGHd h SLY GdHdGHd (B/ s - (3LYaQ GdMdj, CHh jMji LYaQ Hf CMeOs ((3HjQhJ (B:s (3OGQ GdCVhGA,s, 1988)
Keywords: (3GdTYQ GdMOjKs; (3GdYQGbGdTYQ GdYQHjs