WASET
    Duangkamol Thitivesa,  The Academic Achievement of Writing via Project-Based Learning.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 93(9). 2994 - 2997
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9999384.