Álvarez Hadad, Melissa, Jeffrey Blanco González, and Gladys Ash Hernández. “Impact of a Digital Ordering System on Food and Beverage Services at the Hotel Nacional de Cuba”. Revista Cubana de Transformación Digital 6 (December 31, 2025): e294 1–14. Accessed November 9, 2026. https://rctd.uic.cu/rctd/article/view/294.