Pengaruh Kualitas Layanan dan Penanganan Keluhan terhadap Loyalitas Nasabah Bank Syariah Indonesia (BSI) KCP Kuala Tungkal. JOURNAL OF SHARIA ECONOMICS, [S. l.], v. 8, n. 1, p. 1–8, 2026. DOI: 10.35896/5sx10888. Disponível em: https://journal.uaindonesia.ac.id/index.php/JSE/article/view/1409. Acesso em: 17 jun. 2026.