Hrich, Najoua, Mohamed Lazaar, and Mohamed Khaldi. 2019. “Improving Cognitive Decision-Making into Adaptive Educational Systems through a Diagnosis Tool Based on the Competency Approach”. International Journal of Emerging Technologies in Learning (iJET) 14 (07):pp. 226-235. https://doi.org/10.3991/ijet.v14i07.9870.