ELIDA RAWATI SIHOTANG; YUNIAR ANDI ASTUTI. PROMOSI CAFE UNTUK MENINGKATKAN LOYALITAS PELANGGAN PADA ELSA CAFE BERBASIS WEB. Cemara Education and Science, [S. l.], v. 4, n. 1, 2026. Disponível em: http://www.cemarajournal.com/journal/index.php/ces/article/view/44. Acesso em: 16 apr. 2026.