Sari N, Septika BH, Supratman S. Analysis of The Influence of Marketing Strategies and Excellent Service on Increasing Sales Volume. Visionary [Internet]. 2025 Apr. 30 [cited 2025 Aug. 16];13(1):124-31. Available from: https://e-journal3.undikma.ac.id/index.php/visionary/article/view/15596