Pramchoo, J., A. Sreethunyoo, and L. Meesuk. “Development of grade-11 Studentsu understanding about rate of reaction and attitude toward learning chemistry by using context-based learning activities (Thai)”. Asia-Pacific Journal of Science and Technology, vol. 15, no. 4, Apr. 2017, pp. 317-30, https://so01.tci-thaijo.org/index.php/APST/article/view/83167.