(3GdeaGgje h GdfXQjGJ GdCSGSjI (B/ s - (3Ndjd, SGejs ((3GdchjJ (B:s, 1994)
Keywords: (3GdEbJUGO Gdcdjs; (3GdadSaIs; (3GdfXQjGJs; (3GdYQV h GdWdHs; (3GdONd Gdbhejs