The Influence of Sales Information Systems and Integrated Marketing Communication (IMC) Strategies on Customer Loyalty with the Role of Brand Ambassador as a Mediating Variable at PT Arwinda Tour and Travel Sidoarjo. (2024). Jurnal Bisnis, Ekonomi, Manajemen, Dan Kewirausahaan , 2(1), 117-122. https://doi.org/10.52909/jbemk.v4i2.183