B. Punthmatharith, 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”, JRN-MHS, vol. 41, no. 1, pp. 1–13, Feb. 2021.