Abdul Rahman, Nur Hasnida, et al. “A Conceptual Model of Depositors’ Trust and Loyalty on Hajj Institution - Case of Lembaga Tabung Haji Malaysia”. International Review of Management and Marketing, vol. 10, no. 1, Jan. 2020, pp. 99-106, https://econjournals.org.tr/index.php/irmm/article/view/8315.