NUGRAHENI, Mutiara. ANALISIS EFISIENSI DAN PENGARUHNYA TERHADAP PERBAIKAN MANAJEMEN PERUSAHAAN. Jurnal Penelitian Humaniora, [S. l.], v. 9, n. 2, 2015. DOI: 10.21831/hum.v9i2.6095. Disponível em: https://journal.uny.ac.id/index.php/humaniora/article/view/6095. Acesso em: 10 may. 2025.