TAMARINA, Frea Astrilia; SUSWOJO, Heru; ABSOR, Sholihul. Efficiency of Inpatient Care Services at Surabaya Islamic Hospital in 2022-2023 Using the Barber-Johnson Approach: Efficiency Analysis of Inpatient Ward at Rumah Sakit Islam (RSI) Surabaya in 2022-2023 with Barber Johnson Approach. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, [S. l.], v. 10, n. 01, 2026. DOI: 10.30651/jqm.v10i01.27393. Disponível em: https://journal.um-surabaya.ac.id/qanunmedika/article/view/27393. Acesso em: 29 jan. 2026.