Lertwittayakul, T., Nethanomsak, T. and Loilom, W. (2021) “Knowledge Memory Retention of a Prevention Course on Liver Fluke and Bile Duct Cancer in the curriculum for Upper Secondary Student Level in the Northeast Region, Thailand”, Disease Control Journal. Nonthaburi, TH, 47(3), pp. 551–559. doi: 10.14456/dcj.2021.49.