Fongkam, K., A. Sukhjin, and P. A. Kittiwanno (Ruangpunyarat). “BOMB TO BELL”. Journal of MCU Nakhondhat, vol. 8, no. 4, Apr. 2021, pp. 118-30, https://so03.tci-thaijo.org/index.php/JMND/article/view/251635.