Andreanna K. Koufou and  Dimitrios K. Tsolis and  Marida I. Ergazaki and  Vasilis I. Komis and  Vasiliki P. Zogza,  Designing and Implementing an Innovative Course about World Wide Web, Based on the Conceptual Representations of Students.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2009, vol. 25(1). 148 - 150
    [viewed 26 January 2022]. Available from: https://publications.waset.org/pdf/14157.