Suparwo, Adi. “Effect Of Online Promotion, Price And Brand Image On Purchase Decisions For Neosaipress Herbal Products”. Enrichment : Journal of Management 12, no. 2 (May 30, 2022): 2469-2474. Accessed June 8, 2026. https://enrichment.iocspublisher.org/index.php/enrichment/article/view/583.