Widodo, Rulisiana. “Review of Efficient Use of Inpatient Beds Based on Indicators Barber-Johnson Graph at Anna Medika General Hospital Madura”. JURNAL MEDICAL P-ISSN : 2685-7960 E-ISSN : 2685-7979 1 (2):42-46. https://doi.org/10.36089/jm.v1i2.262.