@article{ulum_2020, title={Analisis ANALISIS EFISIENSI RUMAH SAKIT BERDASARKAN GRAFIK BARBER JOHNSON TAHUN 2017 DI RUMAH SAKIT ISLAM GONDANGLEGI}, volume={4}, url={https://stikeswch-malang.e-journal.id/Health/article/view/94}, number={2}, journal={Health Care Media}, author={ulum, miftachul}, year={2020}, month={Nov.}, pages={63 - 69} }