Imam, Agus. “THE ROLE OF MARKETING MANAGEMENT IN IMPROVING SERVICES AT J&T EXPRESS DP02 DURIAN 3 IN BERAU DISTRICT”. International Conference On Economics Business Management And Accounting (ICOEMA) 2 (June 23, 2023): 814-822. Accessed March 10, 2026. https://conference.untag-sby.ac.id/index.php/icoema/article/view/3063.