อยู่รุ่งเรืองศักดิ์ ณัฐพล. “Changes in the Buddha Amulet Concept from the Early Rattanakosin Period to World War II”. Journal of the Faculty of Arts, Silpakorn University 32, no. 2 (February 7, 2020): 147–172. accessed October 14, 2026. https://so04.tci-thaijo.org/index.php/jasu/article/view/239294.