Photia, T., and S. Wechasin. “Product Study and Design of Flowerpots to Add Value from Ban Chiang, Udon Thani”. Journal of Faculty of Architecture and Design RMUTP, vol. 2, no. 1, June 2023, pp. 69-84, https://so08.tci-thaijo.org/index.php/JFAD/article/view/1743.