DRON, J. Soft is hard and hard is easy: learning technologies and social media. Form@re - Open Journal per la formazione in rete, [S. l.], v. 13, n. 1, p. 32–43, 2013. DOI: 10.13128/formare-12613. Disponível em: https://oaj.fupress.net/index.php/formare/article/view/3430. Acesso em: 2 may. 2024.