Na Nakorn, Somsong, Amornrat Ratanasiri, Piyaporn Sansila, and Kaewjai Kumsuk. 2013. “The Factors Effecting an Acceptance of Herbal Treatment”. Srinagarind Medical Journal 10 (4):151-60. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13792.