Sustiyatik, Enni, and Beni Agus Setiono. “Effect on Product, Price, Promotion, and Place to Consumer Loyalty”. JURNAL APLIKASI PELAYARAN DAN KEPELABUHANAN 10, no. 1 (September 1, 2019): 75–84. Accessed December 20, 2025. https://pdp-journal.hangtuah.ac.id/index.php/jurnal/article/view/25.