Septiarini, E., and Ezra Karamang. “Pengaruh Instagram Konten Marketing Terhadap Purchase Intention Membership Fitness Center Yang Dimediasi Brand Engagement”. Journal of Trends Economics and Accounting Research, Vol. 4, no. 2, Dec. 2023, pp. 338-45, doi:10.47065/jtear.v4i2.1007.