Yucha, N., and H. Hwihanus. “Examining the Impact of Promotions, CRM, and Consumer Trust on Customer Loyalty Through Consumer Satisfaction: A Path Analysis Study on English Center Students”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 7, no. 3, Oct. 2024, pp. 7163-78, doi:10.31538/iijse.v7i3.5259.