Sitanggang AS, Simanjuntak D, Faisal A, Sihombing M, Rajagukguk EJ, Panjaitan SR. The Influence of Location, Price and Promotion on Decisions to use Shipping Services AT SPX Express Pematangsiantar. ProBisnis [Internet]. 2024 Oct. 30 [cited 2026 Jun. 25];15(6):261-9. Available from: https://www.ejournal.joninstitute.org/index.php/ProBisnis/article/view/731