Personal Selling Strategy in increasing Sales Volume in Marketing Companies: Strategi Personal Selling dalam Meningkatkan Volume Penjualan pada Perusahaan Marketing. E-Bisnis [Internet]. 2022 Jun. 9 [cited 2026 Jun. 16];15(1):1-8. Available from: https://journal.stekom.ac.id/index.php/Bisnis/article/view/590