Fitriani F, Listiya Hannum Hasibuan E, Kubtiyah Ritonga M, Surayya L. THE INFLUENCE OF INSTAGRAM SOCIAL MEDIA USAGE ON THE ACADEMIC GRADES OF 6TH-SEMESTER ECONOMICS STUDENTS AT THE TAPANULI SELATAN INSTITUTE OF EDUCATION. MICJO [Internet]. 2026 Apr. 30 [cited 2026 Sep. 22];3(2):2863-9. Available from: https://e-jurnal.jurnalcenter.com/index.php/micjo/article/view/3244