“Pengaruh Produk, Brand Image, Word Of Mouth Dan Kualitas Pelayanan Terhadap Loyalitas Pelanggan Pada Cafe Massa Kok Tong Rantauprapat”. 2024. Management Studies and Entrepreneurship Journal (MSEJ) 5 (2): 5191-5203. https://doi.org/10.37385/msej.v5i2.4983.