MONRAY, Jorge. The Economic Value of Personal Time: Toward a Grounded Theory. International Journal of Independent Research Studies, [S. l.], v. 14, n. 5, p. 33–46, 2025. DOI: 10.55220/2304-6953.v14i5.827. Disponível em: https://www.ecsenet.com/index.php/2304-6953/article/view/827. Acesso em: 10 jan. 2026.