García Andraca, María Teresa, Yucert Hernández Calderón, Yasser Vázquez Alfonso, and Luis Efrain Velastegui Lopez. “Blockchain Technology, an Alternative to Revolutionize the Cuban Tourism Sector”. Explorador Digital 6, no. 1 (February 26, 2022): 31-50. Accessed July 1, 2025. https://www.cienciadigital.org/revistacienciadigital2/index.php/exploradordigital/article/view/2078.