Ir.Omry Pangaribuan, MM. PENGARUH BIAYA PROMOSI DAN BIAYA DISTRIBUSI TERHADAP VOLUME PENJUALAN. jsti [Internet]. 2021 Aug. 9 [cited 2026 Feb. 7];13(1):1-9. Available from: https://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/37