Rattanajun, Phimnipha, Chatchai Inthasang, and Piyamaporn Thiamjit. “THE PRODUCT DEVELOPMENT WITH VALUE CO-CREATION PROCESS OF KAO TANG SAVOEY PRODUCT, NAKHON RATCHASIMA”. Journal of Liberal Arts and Management Science Kasetsart University 7, no. 2 (December 29, 2020): 1–16. accessed January 7, 2026. https://so14.tci-thaijo.org/index.php/jlams/article/view/85.