M. Ginting, P. Karo-karo, H. Mayanta, D. F. Butar-Butar, and A. B. D. Nainggolan, “Analysis of Road Traffic Accident Insurance Claim Service Quality at PT Jasa Raharja Office in Pematang Siantar City”, ProBisnis , vol. 16, no. 3, pp. 222–228, Jun. 2025.