Sulistio, S. P. and Mahendra, A. (2021) “Pengaruh Kualitas Produk Terhadap Loyalitas Pelanggan di Brayan Vegetarian Cemara Asri, Medan”, BISMA Cendekia, 2(1), pp. 54–58. Available at: https://ojs.politeknikcendana.ac.id/index.php/bisma/article/view/62 (Accessed: 28 July 2026).