Phumkokrux, S., W. Nibhuatsukit, N. Kitrakkul, K. Kiriwongwattana, P. Choon-on, and S. O-in. “Development of Historic Tourism Routes of Phetchaburi Province Applying Information and Communication Technology”. Journal of the Faculty of Arts, Silpakorn University, vol. 43, no. 2, Dec. 2021, pp. 107-22, https://so04.tci-thaijo.org/index.php/jasu/article/view/256247.