Dewi, R., Letchmi Panduragan, S. and Syazana Umar, N. 2023. The Relationship Between Self-efficacy and Coping Mechanisms with Quality of Life in Breast Cancer Patients. KnE Social Sciences. 8, 14 (Aug. 2023), 278–289. DOI:https://doi.org/10.18502/kss.v8i14.13837.