SOBOLIEV, Volodymyr. An essential step towards the improvement of methodological support for teaching fundamental economic courses. Herald of Economics, [S. l.], n. 4(90), p. 164–167, 2019. Disponível em: https://visnykj.wunu.edu.ua/index.php/htneu/article/view/887.. Acesso em: 19 apr. 2025.