Wongkhum, R. and Pathumanont, P. (2009) “Royal Recipe Massage Outcome for Tension-type Headache Therapy”, Kasetsart Journal of Social Sciences, 30(3), pp. 269–275. available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/246568 (accessed: 31 August 2026).