NEIRA NEIRA, M. L.; REYES CÁRDENAS, N. A.; VILLARREAL CHÉRREZ, T. M. Elements of the Control System applied in the public procurement of Ecuadorian entities during the state of emergency. Revista Iberoamericana de educación, [S. l.], 2022. Disponível em: https://www.revista-iberoamericana.consultorioampuero.com/index.php/es/article/view/202. Acesso em: 1 oct. 2026.