4Giordan, A. Apprendre ! [M].Paris: Belin, 194-195, 167-190.
5National Research Council. How Student Learn: History, Mathematics, and Science in the Classroom [M]. Washington, DC: National Academics Press, 2005.3--12; Giordan, A. Apprendre! [M]. Paris: Selin, 2005. 113-124.