BAKHTIYAR. USE OF SOCIAL MEDIA INSTAGRAM AS A MEDIA PROMOTION OF LIBRARY INFORMATION SERVICE IN MARKETING MANAGEMENT PERSPECTIVE. JESH [Internet]. 2020 Jan. 25 [cited 2026 Jun. 27];1(06):88-100. Available from: https://www.sthf.ac.id/jurnalintelektiva.com/index.php/jurnal/article/view/234