Napitupulu, Samuel Mario Arnoldi, and Yeshika Alversia. “Enhancing Loyalty in the Indonesian Post: Unraveling the Influence of Relational Benefits and Relationship Quality”. Journal of Economics Research and Social Sciences 8, no. 1 (February 7, 2024): 152–171. Accessed April 30, 2025. https://journal.umy.ac.id/index.php/jerss/article/view/20623.