Smart cities & crowdsourcing. A bottom-up approach. Smart Cities and Regional Development (SCRD) Journal, [S. l.], v. 2, n. 1, p. 71–77, 2018. DOI: 10.25019/scrd.v2i1.29. Disponível em: https://www.scrd.eu/index.php/scrd/article/view/29.. Acesso em: 1 may. 2024.