(3GVhGA Ydi GdGbJUGOjGJ GdYQHjI (B/ s - (3YOfGf HSjShs ([S.N] : (3OGQ GdZQH GddHfGfi , s, 1992)
Keywords: (3GdYGde GdYQHis; (3GdGMhGd GdGbJUGOjIs; (3GdOjhfs; (3Gdfbd GdLhis; (3GdfXGe GdYGdei GdMOjKs