Harahap, Leliana, Sartika Dewi Purba, Jonas Franky R Panggabean, and Kamson Sirait. “Decision Support System in Marketing Strategy Using Data Mining Techniques”. Jurnal ICT : Information and Communication Technologies 16, no. 2 (October 31, 2025). Accessed October 3, 2026. https://ejournal.marqchainstitute.or.id/index.php/JICT/article/view/299.