CASTELLI, G.; MAMEI, M.; ROSI, A.; ZAMBONELLI, F. How to Develop Pervasive Social Applications with the SAPERE Middleware. COMPUTING AND INFORMATICS, [S. l.], v. 34, n. 1, p. 185–209, 2015. Disponível em: http://www.cai.sk/ojs/index.php/cai/article/view/2047. Acesso em: 18 sep. 2021.