Makna Transparansi dan Amanah bagi Loyalitas Pelanggan: Studi Kualitatif di Bank Syariah Indonesia di Medan. JGGEconomic [Internet]. 2026 Jan. 20 [cited 2026 Aug. 29];1(2):177-88. Available from: https://www.lppnusantara.com/index.php/JGGEconomic/article/view/351