Nurmansyah, Andri, et al. “Influence of Hypnotherapy to Reduce the Anxiety of School-Age Children in the Preoperative Phase in the Guntur Room of Level II Dustira Cimahi Hospital ”. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), vol. 8, no. Special Edition, June 2022, https://journal.stikep-ppnijabar.ac.id/jkk/article/view/377.