OLEŃSKI, J. Transborder Economic Gravitation . TRANSBORDER ECONOMICS. International Journal on Transborder Economics, Finance, Politics and Statistics., [S. l.], v. 4, n. 1, p. 7–48, 2022. Disponível em: https://journals.ur.edu.pl/te/article/view/8522. Acesso em: 19 may. 2024.