Salihoun, M., Guerouate, F., Berbiche, N., & Sbihi, M. (2017). How to Assist Tutors to Rebuild Groups Within an ITS by Exploiting Traces. Case of a Closed Forum. International Journal of Emerging Technologies in Learning (iJET), 12(03), pp. 169–181. https://doi.org/10.3991/ijet.v12i03.6506