Chaiwat Kongsom and Vitoon Panyakul, Production and Market of Certified Organic Products in Thailand. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2016, vol. 116(8). 2723 - 2727 [viewed 21 January 2021]. Available from: https://publications.waset.org/pdf/10005134.