Sriwulandari, Rezky, et al. “Combined Progressive Muscle Relaxation and Mindfulness in Patients With Schizophrenia Experiencing Auditory Hallucinations: A Two-Case Study”. Panacea Journal of Nursing and Health Studies, vol. 1, no. 1, Sept. 2026, pp. 1-15, https://journal.ziacenter.org/index.php/panacea/article/view/15.