Foreign labor migration control in Russian regions using multicultural barometer (by the example of the Republic of Karelia)Maria Pitukhina, Oleg Tolstoguzov, Lyubov Kulakova, Eugene Pitukhin and Ivan RadikovE3S Web Conf., 284 (2021) 11008DOI: https://doi.org/10.1051/e3sconf/202128411008