Sangthong, Wiangchai, Chatree Faikhamta, and Naruemon Yutakom. 2017. “Seventh gradersu views on science-technology-society related to chemical issues (Thai)”. Asia-Pacific Journal of Science and Technology 15 (2):142-54. https://so01.tci-thaijo.org/index.php/APST/article/view/83148.