BIYASE, M.; ZWANE, T. Does Education Pay In South Africa? Estimating Returns To Education Using Two Stage Least Squares Approach. International Business & Economics Research Journal (IBER), [S. l.], v. 14, n. 6, p. 807–814, 2015. DOI: 10.19030/iber.v14i6.9508. Disponível em: https://clutejournals.com/index.php/IBER/article/view/9508. Acesso em: 17 jul. 2024.