BOZZON, A. .; BRAMBILLA, M. .; CERI, S. .; MAURI, A. .; VOLONTERIO, R. . DESIGNING COMPLEX CROWDSOURCING APPLICATIONS COVERING MULTIPLE PLATFORMS AND TASKS. Journal of Web Engineering, [S. l.], v. 14, n. 5-6, p. 443–473, 2015. Disponível em: https://journals.riverpublishers.com/index.php/JWE/article/view/3847. Acesso em: 3 may. 2024.