Akhmad HO, Pratama IN, Hadi S. The Influence of Price and Digital Promotion on Customer Loyalty at Regional Packaging Center. ijief [Internet]. 2026 Oct. 4 [cited 2026 Oct. 9];6(2):283-96. Available from: https://ejournal.insuriponorogo.ac.id/index.php/jief/article/view/10373