รุ่งพุทธิกุล ว. 2018. Factors Inf lfluenced with Periductal Fibrosis of Hepatobiliary Tract in Wangtong Sub-District, Phakdichumphon District, Chaiyaphum Province. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima. 24, 2 (Sep. 2018), 36–45.