Sugianto, Lalu Edi, and Fathurrahman. “The Effect of Group Activity Therapy on Improving Self-Esteem Among Patients With Mental Disorders at Mutiara Sukma Mental Hospital, West Nusa Tenggara”. Journal of Nursing Perspectives, vol. 2, no. 1, Apr. 2026, pp. 1-6, https://doi.org/10.71094/jonp.v2i1.378.