(3MGVQ Gdaf (B/ s - (3QjO, gQHQJs; (3Ydj, SejQs ((3HZOGO (B:s (3OGQ GdTDhf GdKbGajI,s, 1986)
Keywords: (3Gdafs; (3GdadSaIs; (3GdfXQjGJs