Methods for valorization of mining companies: the analysis for the peruvian case 2008 - 2013. Pensamiento Crítico, [S. l.], v. 19, n. 2, p. 065–092, 2014. DOI: 10.15381/pc.v19i2.11104. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/econo/article/view/11104.. Acesso em: 16 aug. 2024.