Nurwulansari, N., M. U. Ashar, H. Huriati, and S. Syarif. “The Effect of Constructive Play Therapy on Anxiety Levels of Preschool Children Due to Hospitalization”. Journal of Health Science and Prevention, vol. 3, no. 3S, Dec. 2019, pp. 72-78, doi:10.29080/jhsp.v3i3S.282.