Cerdeña, L. S. ., and J. P. S. . Rivero. “Short-Term Open Innovation Hackathons As a Method to Improve Tourism Innovation”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 5, Oct. 2021, pp. 741-53, https://cibgp.com/au/index.php/1323-6903/article/view/2019.