Muhammad Rafiq, Betty Magdalena, Viola De Yusa. Analysis Of The Advertising Effectiveness Of The Management Study Program Of The Darmajaya Institute Of Informatics And Business Through Instagram With An Approach Customer Response Index (CRI). Jurnal Ekonomi [Internet]. 2024 Oct. 21 [cited 2024 Dec. 5];13(04):83-92. Available from: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/5505