WASET
    Q. Han and  W. Schaefer and  R. van den Berg,  Gaming for the Energy Neutral Development: A Case Study of Strijp-S.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 642 - 653
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/8532.