Définir les objectifs de 1'éducation, 1984. ,
Handbook on formative and summative evaluationof student learning, 1971. ,
Competency based learning models : a necessary future In:VoorheesRA (ed): Measuringwhat matters: competency-based learning models in Highereducation, New directions for institutional, issue.110, pp.5-13, 2001. ,