MARTÍNEZ ALBARRACÍN, C. E.; BOLÍVAR SALGADO, W. E. .; GUTIÉRREZ SALGADO, N. M. Information source observatories: Concepts and theoretical review. Journal of business and entrepreneurial studie, [S. l.], v. 5, n. 3, 2021. DOI: 10.37956/jbes.v5i3.187. Disponível em: https://journalbusinesses.com/index.php/revista/article/view/187. Acesso em: 10 jun. 2026.