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 19 September 2024]. Available from: https://publications.waset.org/pdf/9997521.