Pramudya, Astrid, M. Rizki Fadlan, Yusuf Arifin, and M. Saifur Rohman. 2025. “The Relationship Between Left Ventricular Ejection Fraction (EF) and Depression Status, Psychopathological Status and Coping Mechanism in Heart Failure Patients: A Cross-Sectional Study in Malang, Indonesia”. Journal Research of Social Science, Economics, and Management 5 (5):9491-9501. https://doi.org/10.59141/jrssem.v5i5.1253.