namwong, Worawut, Nopparat Songserm, and Onanong Bureelerd. 2019. “Prevalence and Risk Behaviors of Opisthorchis Viverrini Reinfection of People in Sisaket Province”. UBRU Journal for Public Health Research 8 (2):13-20. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/240308.