Qumairoh, Ernita Juniarti. “Analysis of the Factors Influencing on Purchase Decision Ship Ticket PT. Pelni (PERSERO) Surabaya Branch”. International Management Conference and Progressive Papers 1 (November 15, 2023): 417–428. Accessed April 5, 2025. https://proceeding.unesa.ac.id/index.php/immersive/article/view/958.