Surbakti, A., Parinduri, R., Delyani, R.N.R., Pulungan, F., Nainggolan, R. dan Situmorang, R. 2025. THE INFLUENCE OF SELF-ESTEEM ON PSYCHOLOGICAL-WELL-BEING THROUGH STRATEGY-COPING MEDIATION IN GRADE XII STUDENTS OF MEDAN STATE HIGH SCHOOL. HEARTY. 13, 6 (Des 2025), 1653–1663. DOI:https://doi.org/10.32832/hearty.v13i6.18922.