NADESHAN, P.; GNANACHANDRAN, G. Validity of Okun’s law in Sri Lanka. International Journal of Business, Management and Economics, [S. l.], v. 2, n. 2, p. 118-133, 2021. DOI: 10.47747/ijbme.v2i2.253. Disponível em: https://journal.jis-institute.org/index.php/ijbmer/article/view/253. Acesso em: 7 oct. 2026.