Wulandari, Ririn, and Natassja Calista. “Factors That Affect Buying Decisions on Kopi Kenangan”. Enrichment : Journal of Management 12, no. 4 (October 7, 2022): 2670-2676. Accessed August 31, 2026. https://enrichment.iocspublisher.org/index.php/enrichment/article/view/674.