WASET
    Kew-Cheol Shim and  Sung-Hwan Moon and  Ji-Hyon Kil and  Kyoungho Kim,  Secondary Science Teachers’ Views about Purposes of Practical Works in School Science.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 91(7). 2172 - 2175
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9998785.