The Influence of Sales Promotion, Brand Trust, and Ease of Use on Customer Loyalty: A Study on Students of UPN "Veteran" East Java: Pengaruh Promosi Penjualan, Kepercayaan Merek, Dan Kemudahan Penggunaan Terhadap Loyalitas Pelanggan Studi Pada Mahasiswa UPN "Veteran" Jawa Timur. EKONIKA 2024, 9 (2), 464-484. https://doi.org/10.30737/ekonika.v9i2.5498.