Bursan R, Abdul Rahman NAB. Building Loyalty through Usability and Satisfaction with RedDoorz Website Services. al. kharaj. j. islam. econ. bus. [Internet]. 2023 Sep. 21 [cited 2024 Jul. 22];5(3). Available from: http://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/4165