Wongwiwatthananukit, N. “The Effects of Health Education Program on Knowledge and Behaviors towards the Prevention of Opisthorchiasis Among People in Sobbong Sub-District, Phusang District, Phayao Province”. Journal of Nurses Association of Thailand Northern Office, vol. 26, no. 2, Dec. 2020, pp. 12-23, https://he01.tci-thaijo.org/index.php/jnorthnurse/article/view/244109.