Vanasbodeekul, P. “The Effect of the Height of the Asana Seat on Flexion Knee Angle and Monk’s Satisfaction While Sitting in a Cross-Legged Posture”. Journal of The Department of Medical Services, vol. 47, no. 3, Sept. 2022, pp. 75-80, https://he02.tci-thaijo.org/index.php/JDMS/article/view/256250.