Dari Diskon Menuju Loyalitas: Peran Keberhasilan Price Promotion dan E-Service Quality Apps dalam Membentuk Brand Advocacy J.CO. Professional Bussiness Journal, [S. l.], v. 4, n. 1, p. 26–39, 2026. Disponível em: https://jurnal.usp.ac.id/index.php/professional-bussiness-journal/article/view/247. Acesso em: 21 jul. 2026.