Phrakhrusangkarak Preecha. “SAPPURISA DHAMMA THE PRINCIPLE OF MODERN LIFESTYLE”. Journal of MCU Nakhondhat 8, no. 7 (June 30, 2021): 16–26. accessed October 11, 2026. https://so03.tci-thaijo.org/index.php/JMND/article/view/253502.