PUHACH, Serhii; LAZHNIK, Volodymyr; KANDYBA, Yurii. REGIONAL DEVELOPMENT OF KYIVSTAR MOBILE COMMUNICATION NETWORK IN WESTERN UKRAINE. Ekonomichna ta Sotsialna Geografiya, Kyiv, Ukraine, v. 88, p. 16–22, 2022. DOI: 10.17721/2413-7154/2022.88.16-22. Disponível em: https://www.bulletin-esgeograph.org.ua/esg/article/view/88-puhach-et-al-16-22. Acesso em: 24 jun. 2026.