Concept and criteria for recognition of single-industry townsN. A. Tovma, R. T. Naraliyeva, G. M. Muzhigova, M. Toiganbekova, A. Ashirova and Z. B. SatkenovaE3S Web of Conf., 413 (2023) 05015DOI: https://doi.org/10.1051/e3sconf/202341305015