Pengaruh Kualitas Produk, Merek Dan Personal Selling Terhadap Keputusan Pembelian Merek U-Lock Pada PT. Union Tetap Jaya Medan. MSEJ [Internet]. 2022 Sep. 19 [cited 2026 May 21];3(4):2610-9. Available from: https://journal.yrpipku.com/index.php/msej/article/view/922