Sompoangeon, Saneh, and Warattha Kongsom. 2021. “Ecological Design in the Case Study of the Contemporary Lamp from Krajood Residue”. Journal of Fine and Applied Arts Khon Kaen University 13 (2). Khon Kaen, Thailand:148-74. https://so02.tci-thaijo.org/index.php/fakku/article/view/242973.