MARTYNIUK, Olesia; POPINA, Stepan. Mathematical models of unshadowing the wages. Herald of Economics, [S. l.], n. 4(90), p. 19–26, 2019. DOI: 10.35774/visnyk2018.04.019. Disponível em: https://visnykj.wunu.edu.ua/index.php/htneu/article/view/874.. Acesso em: 16 apr. 2025.