JANUARDIN, J.; SEMBIRING, A. A. B.; SIHITE, L. S. B. Pengaruh Ekuitas Merek Dan Deferensiasi Produk Terhadap Kepuasan Pelanggan PT Laris Sumut Makmur Medan. Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 3, n. 3, p. 1216–1230, 2022. DOI: 10.37385/msej.v3i3.864. Disponível em: https://www.yrpipku.com/journal/index.php/msej/article/view/864. Acesso em: 6 jul. 2025.