WASET
    Cholpassorn Sitthiwarongchai and  Chutikarn Sriviboon ,  Capacity Enhancement for Agricultural Workers in  Mangosteen Product.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 528 - 531
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9997521.