Vini Reski Utami, Winda Cantika Rispo, and Juwitan Intan. “Fan Economy and Purchasing Decisions: The Role of Product Diversity, Price Perception, and Promotion in the K-Pop Merchandise Market in Indonesia”. Journal of Economics Business Industry, vol. 1, no. 3, Mar. 2024, pp. 92-102, doi:10.59976/jebin.v1i3.218.