Punthmatharith, B., O. . Mala, P. . Khamchan, J. . Kongpet, S. . Jinnukul, and P. . Suwanprapai. “Effects of Play Activity Arranged by Nursing Students on Happiness of Sick Children and Caregiver’s Satisfaction”. Journal of Research in Nursing-Midwifery and Health Sciences, vol. 41, no. 1, Feb. 2021, pp. 1-13, https://he02.tci-thaijo.org/index.php/nur-psu/article/view/249085.