WASET
    Sarantos Psycharis,  Investigation of the Physical Computing in Computational Thinking Practices, Computer Programming Concepts and Self-Efficacy for Crosscutting Ideas in STEM Content Environments.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2020, vol. 160(4). 255 - 261
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10011159.