Garay, Jorge R. Beingolea, Gustavo Moreira Calixto, Alexandre Maniçoba De Oliveira, and Marcelo Knorich Zuffo. “State of the Art: Integrating Services for Mega Events”. Journal of Information Systems and Technology Management 11, no. 2 (August 21, 2014): 345–360. Accessed June 1, 2025. https://jistem.tecsi.org/index.php/jistem/article/view/10.4301%252FS1807-17752014000200007.