(3MdH GdbOjeI hGdMOjKI(B: (3GSeGDgG hMcGegG hGMOGKgG GHhGHgG hGShGbgG hGMjGDgG (B/ s - (3YHOGdaJGM QhGS bdYI Lis ((3HjQhJ (B: s (3eDSSI GdQSGdI , s, 1989)
Keywords: (3GdYGde GdYQHis; (3ShQjG (B- (3JGQjNs; (3MdH (B- (3JGQjNs; (3GdYGde GdYQHi (B- (3JGQjNs