Mathar, Irmawati, Oktia Woro Kasmini Handayani, Evi Widowati, and Intan Zainafree. 2026. “Systemic Barriers to Preventing Fraud in National Health Insurance (JKN) Claims: Perspectives from Regional Hospitals and BPJS Kesehatan”. TEC EMPRESARIAL 21 (1):30-53. https://revistas.tec-ac.cr/index.php/tec_empresarial/article/view/727.