พระครูสุวรรณธรรมทิน. 2015. “Traditional Doctors ’ Ethical Code Of Treatment : A Case Study Of Herbal Medicine Doctors In Poochai District Roi-Et Province”. Journal of Graduate MCU KhonKaen Campus 2 (1):36-44. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/243101.