2022. Pengaruh Ekuitas Merek Dan Deferensiasi Produk Terhadap Kepuasan Pelanggan PT Laris Sumut Makmur Medan. Management Studies and Entrepreneurship Journal (MSEJ). 3, 3 (Aug. 2022), 1216–1230. DOI:https://doi.org/10.37385/msej.v3i3.864.