Multi Representation Systems in the Design of a Microworld for the Learning of Sorting Algorithms. - Maria Kordaki; Micael Miatidis; George Kapsampelis (CELDA, 2005)

A computer environment for beginners' learning of sorting algorithms: Design and pilot evaluation. - Maria Kordaki; Micael Miatidis; George Kapsampelis (Comput. Educ., 2008)