“Penerapan Metode Ahp Dan Topsis Penentuan Pembelian Handphone Di Pt. Erafone Perbaungan”, (JDSP : Journal Data Science Penusa), vol. 1, no. 1, pp. 352–363, Oct. 2024, Accessed: Nov. 08, 2026. Available: https://journal.pelitanusantara.ac.id/index.php/jdsp/article/view/601