Veronica P, Tarigan F, Simamora R. The influence of unique selling proposition and value proposition through social media digital marketing on consumer preferences between local and international fashion brands: A study on generation Z in Medan City. JoM [Internet]. 6Nov.2026 [cited 7Nov.2026];19(3):2387-401. Available from: https://ejurnal.undana.ac.id/index.php/JEM/article/view/27554