BALOCH, Hasnain Zafar; ABDUL RAHMAN, Azizah; A IHAD, Noorminshah. Mobile Collaborative Informal Learning Design: Study of collaborative effectiveness using Activity Theory. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 6, n. 3, p. pp. 34–41, 2012. DOI: 10.3991/ijim.v6i3.2090. Disponível em: https://online-journals.org/index.php/i-jim/article/view/2090. Acesso em: 2 may. 2024.