Mixing Microworld and Cas Features in Building Computer Systems that Help Students Learn Algebra. - Jean-François Nicaud; Denis Bouhineau; Hamid Chaachoua (Int. J. Comput. Math. Learn., 2004)

Automatic Calculation of Students' Conceptions in Elementary Algebra from Aplusix Log Files. - Jean-François Nicaud; Hamid Chaachoua; Marilena Bittar (Intelligent Tutoring Systems, 2006)

La Praxeologie comme modele didactique pour la Problematique EIAH. Etude de cas : la Modelisation des connaissances des Eleves. (Praxeology as didactical model for Technology Enhanced-Learning. Case Study : student models). - Hamid Chaachoua (2010)