1.
Sinaga H, Situmorang I, Tantra Z. The Influence of Sales Promotion and Customer Relationship Management on Customer Purchase Decisions for Products of PT. Auto Star Mandiri Teknotama Medan. IIJSE [Internet]. 8Jul.2025 [cited 18Apr.2026];8(2):7370-86. Available from: https://e-journal.uac.ac.id/index.php/iijse/article/view/7063