ROHMAN, H. ANALISIS EFISIENSI BOR, LOS, TOI, DAN BTO BERDASARKAN GRAFIK BARBER JOHNSON. JURNAL ILMU KESEHATAN BHAKTI SETYA MEDIKA, [S. l.], v. 3, p. 11–21, 2019. DOI: 10.56727/bsm.v3i.41. Disponível em: https://jurnal.poltekkes-bsi.ac.id/index.php/bsm/article/view/41. Acesso em: 15 jan. 2025.