S. Nitiworakarn,  Using Focus Groups to Identify Mon Set Menus of Bang Kadi Community in Bangkok.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 114(6). 1919 - 1922
    [viewed 13 November 2019]. Available from: https://publications.waset.org/pdf/10004642.