Sahfitri, Vivi. “SISTEM INFORMASI PENJUALAN DENGAN MENERAPKAN METODE SALES FORCE AUTOMATION”. Jurnal Ilmiah Matrik 20, no. 3 (January 10, 2019): 214–223. Accessed February 23, 2025. https://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/469.