Laily Artha Nasution, Paham Ginting, Arlina Nurbaity Lubis. THE EFFECT OF SERVICE QUALITY AND RELATIONSHIP MARKETING ON CUSTOMER SATISFACTION AND THEIR IMPACT ON CUSTOMER LOYALTY AT MAYO DIET MEDAN CATERING. IJSET [Internet]. 2025 Oct. 30 [cited 2026 Jun. 27];4(11):4352-6. Available from: https://ijset.org/index.php/ijset/article/view/1312