EZMALE, Sandra. COVID- 19 PANDEMIC IMPACT ON FREE ZONES. Journal of Regional Economic and Social Development, Rezekne, Latvia, v. 12, p. 65–74, 2021. DOI: 10.17770/jresd2020vol1.12.5395. Disponível em: https://journals.ru.lv/index.php/JRESD/article/view/5395.. Acesso em: 7 apr. 2025.