AXEL, Laurentius. Pengaruh Kualitas Pelayanan dan Kualitas Produk Terhadap Loyalitas Pelanggan di Shell Bintaro U-TOWN. Journal of Practical Management Studies, [S. l.], v. 1, n. 2, p. 38–43, 2023. DOI: 10.61106/jpms.v1i2.12. Disponível em: https://jurnal.jalaberkat.com/index.php/jpms/article/view/12. Acesso em: 26 jan. 2026.