Ardayana IK, Sutomo M, Zahara Z, Zahara Z, Farid F. Building Customer Loyalty Through Relationship Marketing And Price At Motorcycle Washes In Palu City. EKOMBIS [Internet]. 28Sep.2025 [cited 10Oct.2025];13(4):3505–3516. Available from: https://jurnal.unived.ac.id/index.php/er/article/view/8229