Hernando Cuñado, Jorge, Jorge Colvin Díez, and Javier Antonio Enríquez Román. “Engie: Business Model Transformation”. UNIE Business Research 9, no. 2 (December 1, 2020): 152–167. Accessed September 29, 2026. https://unieresearch.universidadunie.com/ubr/article/view/301.