R. Dewi and H. Hardani, “Pengaruh Kualitas Pelayanan dan Kualitas Produk terhadap Kepuasan Pelanggan Arah Coffee Greenlake City: The Influence of Service Quality and Product Quality on Customer Satisfaction in the Direction of Coffee Greenlake City”, JMAEKA, vol. 3, no. 2, pp. 895–904, Oct. 2026.