PURBA, D. S. ANALISIS KINERJA PERUSAHAAN DAERAH AIR MINUM DI SUMATERA UTARA. Jurnal Ilmiah Accusi, [S. l.], v. 2, n. 1, p. 1–15, 2020. DOI: 10.36985/jia.v2i1.47. Disponível em: https://jurnal.usi.ac.id/index.php/ACCUSI/article/view/47. Acesso em: 4 may. 2024.