รุ่งพุทธิกุล ว., “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, vol. 24, no. 2, pp. 36–45, Sep. 2018.