“Kualitas Pelayanan Pengujian Kendaraan Bermotor Di Unit Pelayanan Terpadu (UPT) Pengujian Kendaraan Bermotor (PKB) Kabupaten Dairi”, AFJISH, vol. 1, no. 3, pp. 89–100, Jul. 2025, Accessed: Apr. 27, 2026. [Online]. Available: https://journal.salahuddinal-ayyubi.com/index.php/AFJISH/article/view/516