(3GdehShYI GdUMjI ddeQCI GdYUQjI Odjd WHj deJGYH GdeQCI GdUMjI h GdfaSjI aj eNJda GdCYeGQ (B/ s - (3GdMSjfj, Gjefs ((3ecJHI GHf SjfG,s, 2002)
Keywords: (3GdUMIs; (3GdeQCIs; (3GdehShYGJs