PETRUCCO, C. Participation and knowledge sharing in online learning. Formazione & insegnamento, Lecce-Brescia (IT), v. 13, n. 3, p. 43–72, 2015. Disponível em: https://ojs.pensamultimedia.it/index.php/siref/article/view/1753. Acesso em: 19 jul. 2024.