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 Jun. 3];1:272-8. Available from: https://www.das-institute.com/journal/index.php/proceeding/article/view/814