Martínez Albarracín, Carlos Eduardo, William Ernesto Bolívar Salgado, and Nohelia Marcela Gutiérrez Salgado. “Information Source Observatories: Concepts and Theoretical Review”. Journal of business and entrepreneurial studie 5, no. 3 (December 2, 2021). Accessed June 10, 2026. https://journalbusinesses.com/index.php/revista/article/view/187.