Purba, J. O., Christina, C., Wijaya, E., Andi and Syahputra, H. (2023) “Promotion, Brand Image, and Customer Relationship Management on Aluminum Purchase Decisions at PT Global Alumindo Perkasa”, Luxury: Landscape of Business Administration, 1(1), pp. 11–22. doi: 10.61230/luxury.v1i1.16.