Ramayanti Tinambunan M, Syafrizal Helmi Situmorang, Fadli. THE INFLUENCE OF SERVICE QUALITY AND DISCOUNTS ON CUSTOMER SATISFACTION ON GRAB USERS IN MEDAN CITY. P PROCEEDING [Internet]. 2025 May 2 [cited 2026 Apr. 18];1:272-8. Available from: https://journal.das-institute.com/index.php/proceeding/article/view/814