Wannakham, N., PhraKhru Winaithon Worachad, P. B. Pawaradhmmo, C. Pimkhiri, and N. Waeng-ubon. “TECHNIQUES FOR SOLVING FUTURE PROBLEMS”. Journal of Social Science Panyapat, vol. 4, no. 3, Sept. 2022, pp. 243-52, https://so06.tci-thaijo.org/index.php/JSSP/article/view/258031.