Hidayatulloh, A. R., Rosnidah, I., & Romdonny, J. (2026). The Effect of Product Variation and Sales Service on Customer Loyalty with Customer Satisfaction as A Mediating Variable: Case Study: JEL Classification: M31, L81, D12, C12, C51. Journal La Bisecoman, 7(1), 87-99. Retrieved from https://newinera.com/index.php/JournalLaBisecoman/article/view/5256