Girsang LR, Situmeang IV. Pengaruh Kualitas Produk Kopi Starbuck Dan Kualitas Layanan Terhadap Loyalitas Konsumen. IKRAITH-EKONOMIKA [Internet]. 2025Mar.10 [cited 2025Feb.8];8(1):338-4. Available from: http://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/4552