F. Nuzulah and M. Hariasih, “Product Diversity, Price Perception, and Sales Promotion Impact on Customer Loyalty (Keragaman Produk, Persepsi Harga, dan Promosi Penjualan Berdampak pada Loyalitas Pelanggan)”, aaem, vol. 1, no. 4, pp. 1–16, May 2024.