“The Impact of Marketing Synergy: An Analysis of the Influence of Promotion Mix Strategy, Service Quality, on Purchase Decisions at Indomaret Gading, Prambon, Nganjuk”. Proceeding Kilisuci International Conference on Economic & Business, vol. 3, June 2025, pp. 269-7, https://doi.org/10.29407/kilisuci.v3i.5957.