Kamonsakdavikul, S., and C. Yospan. “CONFIRMATORY FACTOR ANALYSIS OF THE ‘85 th RUBBUA TRADITION: ONLY ONE IN THE WORLD, ONLY PLACE IN THAILAND’ PROJECT EVALUATION”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, vol. 17, no. 1, June 2022, pp. 61-80, https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/256834.