“The Effect of Promotion, Service and Estimated Value to Increase Customer Rate of Gold Pawn Products at PT. Pawnshop UPC Trenggalek”. Proceeding Kilisuci International Conference on Economic & Business 2 (April 1, 2024): 825–832. Accessed January 11, 2026. https://proceeding.unpkediri.ac.id/index.php/kilisuci/article/view/4282.