Pramudya, A. (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), pp. 9491–9501. doi: 10.59141/jrssem.v5i5.1253.