Leatemia PDN, Kurniawan D. AN ANALYSIS OF THE DETERMINANT FACTORS INFLUENCING FOLLOWER ENGAGEMENT ON THE INSTAGRAM ACCOUNT RS ROYAL SURABAYA. IJEBAR [Internet]. 2025 Oct. 4 [cited 2026 Mar. 5];9(3). Available from: https://jurnal.stie-aas.ac.id/index.php/IJEBAR/article/view/18276