Álvarez Hadad M, Blanco González J, Ash Hernández G. Impact of a digital ordering system on food and beverage services at the Hotel Nacional de Cuba. Rev. Cub. Transf. Dig. [Internet]. 2025 Dec. 31 [cited 2026 Nov. 9];6:e294 1-14. Available from: https://rctd.uic.cu/rctd/article/view/294