PENGARUH ADVERTISING, PERSONAL SELLING DAN SALES PROMOTION ATAS KEPASTIAN PEMBAYARAN PRODUK SEMEN PADANG DI KOTA MEDAN. JIIC [Internet]. 2024 Dec. 14 [cited 2026 May 23];1(10):7049-55. Available from: https://jicnusantara.com/index.php/jiic/article/view/1895