Petcharak, Saran, Prarop Kaewset, and Anchalee Jantapo. “Development of the Pi Nora for Conservation According to Theories of the Creative Economy”. Journal of Liberal Arts Prince of Songkla University 11, no. 2 (December 27, 2019): 178–198. Accessed May 5, 2024. https://so03.tci-thaijo.org/index.php/journal-la/article/view/232761.