Oktavi Maharani, A., Rimawati, E., Wulandari, R., Jaya Kusuma, E. and Shidik, G.F. 2025. K-Means Clustering for Profiling BPJS Health Traders in Semarang by Ability To Pay (ATP) and Willingness To Pay (WTP). Proceeding of International Seminar and Workshop on Public Health Action. 1, 1 (Dec. 2025), 16–24. DOI:https://doi.org/10.60074/iswopha.v1i1.13974.