Septiyanti, S., N. Nugroho, D. Wulandari, and J. Llego. “The Impact of Psychoeducation and Spiritual Emotional Freedom Technique on Self-Efficacy Among Chemotherapy Patients With Cancer”. Ahmar Metastasis Health Journal, vol. 6, no. 1, June 2026, pp. 9-15, doi:10.53770/amhj.v6i1.785.