SAMUDRO, Bhimo Rizky; PRATAMA, Yogi Pasca. Investigating Performance Installation of Hospital Room Surgery of Six Hospitals in Special Region of Yogyakarta by Using Data Envelopment Analysis Model Constant Return to Scale. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, [S. l.], v. 13, n. 1, p. 1–10, 2018. DOI: 10.24269/ekuilibrium.v13i1.2018.pp1-10. Disponível em: https://journal.umpo.ac.id/index.php/ekuilibrium/article/view/893. Acesso em: 27 jun. 2026.