Anindityo, Mohammad, and Ujang Sumarwan and Netti Tinaprilla. “The Influence of Marketing Mix and Consumer Knowledge towards Kefir Mask Consumer Decision Process”. British Journal of Marketing Studies 6, no. 1 (January 17, 2018): 1-15. Accessed March 14, 2025. https://bjmsjournal.org/index.php/bjms/article/view/210.