The Effect of Promotion and Service Quality to Customer Satisfaction Lulu Hypermarket Branch Cakung . SMART : Management Journal, [S. l.], v. 5, n. 1, p. 07–16, 2024. DOI: 10.53990/smart.v5i1.400. Disponível em: https://ojs.umbk.ac.id/index.php/smart/article/view/400. Acesso em: 6 apr. 2026.