Wardhani, Anjari Wahyu, et al. “Cost Awareness Analysis on Acute Appendicitis Treatment With Social Security Agency for Health (BPJS in Health Sector) at Budi Kemuliaan Hospital Batam”. GHMJ (Global Health Management Journal), vol. 3, no. 2, June 2019, pp. 64-71, https://doi.org/10.35898/ghmj-32543.