REHMAN, Atiq-ur-. Detecting Stationarity of GDP:A Test of Unit Root Tests. Journal of Quantitative Methods, [S. l.], v. 3, n. 1, p. 8–38, 2019. DOI: 10.29145/2019/jqm/030102. Disponível em: https://ojs.umt.edu.pk/index.php/jqm/article/view/33. Acesso em: 25 jun. 2026.