(3cJGH GdeJab hGdeaJQb (B/s - (3GdNWjH GdHZOGOj, CMeO Hf Ydj Hf KGHJ,s 392-463 (3g`(B.s; (3GdMGeOj, eMeO UGOb CjOfs ((3HjQhJ ;s (3OeTb (B:s (3OGQ GdbGOQj,s, 1997)
Keywords: (3GdMOjKs -- (3eUWdMs; (3GdeMOKhfs