Chummanond Natchaya and Rotchanakitumnuai Siriluck, Determining the Online Purchasing Loyalty for Thai Herbal Products. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2010, vol. 40(4). 393 - 396 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/2420.