BŁASZCZUK, Dariusz. Simple four-step procedure of parabolic B curve determination for OECD countries in 1990Q1–2015Q4. Economics and Business Review, Poland, v. 2, n. 3, p. 121–137, 2016. DOI: 10.18559/ebr.2016.3.8. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/261. Acesso em: 20 nov. 2024.