WASET
    Chalermpol Tapsai,  The Development of Online Lessons in Integration Model.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 91(7). 2119 - 2123
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9998723.