Analysis of structural changes of employment in Poltava and Poltava region by economic activities. Economics and region, [S. l.], n. 4 (65), p. 63–70, 2017. DOI: 10.26906/EiR.2017.4 (65).897. Disponível em: https://ojs35.nupp.edu.ua/eir/article/view/897. Acesso em: 23 dec. 2025.