Trace-based collaborative learning system. - Yacine Lafifi; Noureddine Gouasmi; Khaled Halimi; Wassila Herkas; Nassima Salhi; Assia Ghodbani (J. Comput. Inf. Technol., 2010)

Extracting Learner's Model Variables for Dynamic Grouping System. - Noureddine Gouasmi; Mahnane Lamia; Yassine Lafifi (NISS (Springer), 2021)