OGBARO, Eyitayo O. Threshold Effects of Institutional Quality in the Infrastructure-Growth Nexux. Journal of Quantitative Methods, [S. l.], v. 3, n. 2, p. 45–61, 2019. DOI: 10.29145/2019/jqm/030203. Disponível em: https://ojs.umt.edu.pk/index.php/jqm/article/view/100. Acesso em: 6 jul. 2026.