khamjun ก., Songserm น. ., and Chareonbut ภ. . “Effect of Community Participation Program on Cholangiocarcinoma Prevention in Rasisalai District, Sisaket Province”. UBRU Journal for Public Health Research, vol. 10, no. 1, May 2021, pp. 60-69, https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/241082.