BAKHTIYAR. “USE OF SOCIAL MEDIA INSTAGRAM AS A MEDIA PROMOTION OF LIBRARY INFORMATION SERVICE IN MARKETING MANAGEMENT PERSPECTIVE”. JURNAL EKONOMI, SOSIAL & HUMANIORA 1, no. 06 (January 25, 2020): 88–100. Accessed June 3, 2026. https://www.jurnalintelektiva.sthf.ac.id/index.php/jurnal/article/view/234.