WASET
    Agni Stylianou-Georgiou and  Eliza Pitri,  Play in College: Shifting Perspectives and Creative Problem-Based Play.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2017, vol. 123(3). 602 - 608
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10006603.