Ardiansyah A. “PENGARUH PRODUCT QUALITY DAN SERVICE QUALITY TERHADAP LOYALITAS PELANGGAN BMW PT ASTRA INTERNATIONAL Tbk SUNTER (STUDI KASUS : JOY IS BMW)”. SWOT [Internet]. 2025 Apr. 21 [cited 2026 Jun. 3];13(2). Available from: https://publikasi.mercubuana.ac.id/index.php/swot/article/view/33247