TELLO, M.; TELLO, D. Quality managment and labor productivity of formal companies in Perú: A non – experimental design and causal machine learning techniques. Estudios de Economía, [S. l.], v. 51, n. 1, p. pp. 117–158, 2024. Disponível em: https://derechoyhumanidades.uchile.cl/index.php/EDE/article/view/75138. Acesso em: 13 mar. 2025.