Fadillah YR, Paramitra Y, Razak I, Rahmawantar DM. From Quality to Loyalty: How Product Excellence and Effective Promotion Drive Customer Commitment. RBM [Internet]. 2024 Aug. 21 [cited 2025 Aug. 2];2(2):108-16. Available from: https://sanscientific.com/journal/index.php/rbm/article/view/295