Díaz González, Helí Hassan, Arturo Cesar López García, and Alberto Escobedo Portillo. “The Competitiveness of SMEs in the Environmental Industry in the State of Chihuahua”. HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades 17, no. 3 (February 13, 2023): 1–8. Accessed September 21, 2024. https://ojs.bdtopten.com/karim/index.php/revHUMAN/article/view/4731.