MONIKA. Pengaruh Variasi Produk terhadap Minat Beli Ulang pada Coffee Shop “Fore Coffee” . Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 4, n. 2, p. 300–307, 2026. DOI: 10.71456/sur.v4i2.1660. Disponível em: https://yptb.org/index.php/sur/article/view/1660. Acesso em: 8 oct. 2026.