SARI, R. M. Pengaruh Pelayanan, Fasilitas Dan Promosi Terhadap Kepuasan Pengunjung Binjai Supermall . Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 1, n. 2, p. 268–275, 2023. DOI: 10.71456/sur.v1i2.546. Disponível em: https://yptb.org/index.php/sur/article/view/546. Acesso em: 7 oct. 2026.