สุขคตะ ดร.เพ็ญสุภา. “‘Kruba Chao Srivichai’ Is an Important Person of the World to UNESCO”. MCU Haripunchai Review 3, no. 2 (December 25, 2019): 106–118. Accessed May 7, 2024. https://so04.tci-thaijo.org/index.php/JMHR/article/view/223619.