Choosangthong, Parnomtuan. “Comparative Study of Pre-test of Knowledge and Attitudes through Participatory Learning among the Medical Students”. Vajira Medical Journal : Journal of Urban Medicine 45, no. 2 (September 21, 2011): 119–125. accessed January 6, 2026. https://he02.tci-thaijo.org/index.php/VMED/article/view/148.