Socio-demographic development regulation in the central black earth economic region under current challenges and threatsViktor Zakharov, Svetlana Vangorodskaya, Dianna Khripkova, Kirill Khripkov and Galina GaidukovaE3S Web of Conf., 402 (2023) 13029DOI: https://doi.org/10.1051/e3sconf/202340213029