Z, Ricky. “The Effectiveness of Progressive Muscle Relaxation (PMR) Against Anxiety in Breast Cancer Patients Undergoing Chemotherapy at Dr Wahidin Sudirohusodo Hospital Makassar”. Jurnal Perilaku Kesehatan Terpadu 1, no. 2 (December 18, 2022): 41–48. Accessed October 17, 2026. https://www.hasmed.org/index.php/Jupiter/article/view/71.