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 June 2, 2026. https://www.enrichment.iocspublisher.org/index.php/enrichment/article/view/674.