Mejía Sánchez, Edmundo, Miguel Ángel González Romero, and Gerardo Ablanedo Rosas. “The Influence of Black Money in SMEs from Puebla, México”. Revista Activos 22, no. 1 (November 8, 2024): 36–53. Accessed December 5, 2025. https://revistas.usantotomas.edu.co/index.php/activos/article/view/10307.