Suryadi, Arfiah Azzahra Nissa, et al. “Analysis of Clinical Chemical Quality Control Unit Cost by Activity-Based Costing Methods in the Laboratory Dr. H. A. Rotinsulu Park Hospitals”. Journal of Indonesian Medical Laboratory and Science (JoIMedLabS), vol. 6, no. 1, June 2025, pp. 72-82, doi:10.53699/joimedlabs.v6i1.192.