6Ellis A K.Fouts J T.R.esearch on Educational lnnova- tions.NY : Eye on Education lnc, 1997.165.
7Artzt, A.F· , & Armour-Thomas, E, ( 1998 ).Mathe- matics teaching as problem solving: a framework for studying teacher metacognition underlying instructional practice in mathematics. Instructional Science, 26(1/2).
8Celia Kaendler, Michael Wiedmann, Nikol Rummel and Hans Spada.Teacher Competencies for the Implementa- tion of Collaborative Learning in the Classroom: a Framework and Research Review [J ].Educational Psychology Review, 22 October 2014,.
9Kyndt, E., Raes, E., Lismont, B., Timmers, F., Cas- callar, E· & Dochy, F. (2013).A meta-analysis of the effects of face-to-face cooperative learning.Do recent studies falsify or verify earlier findings?Educational Research Review, 10.
10DiUenbourg, P., & Tchounikine, P. (2007).Flexibil- ity in macro-scripts for CSCL.Jojamal of Computer Assisted Learning, 23( 1 ).
