Kotan AKL, Indriyani F. Analisis Strategi Pemasaran Kartu Perdana Dan Voucher Telkomsel Di Jakarta Barat: Analysis of Telkomsel Prepaid Card and Voucher Marketing Strategies in West Jakarta. JMAEKA [Internet]. 2026 Apr. 17 [cited 2026 Apr. 21];2(4):856-65. Available from: https://ejournal.cakrawarti.id/index.php/JMAEKA/article/view/536