Phatisena, Tanida, Thitima Phodhichai, and Sirisuda Thanapatto. 2017. “The participatory development of youth, family and school in preventing unsafe sex problems in junior high school students, dankhunthod district,Nakhon Ratchasima province”. Asia-Pacific Journal of Science and Technology 17 (2):315-24. https://so01.tci-thaijo.org/index.php/APST/article/view/82899.