Iwan Ernawan Astamoen, and Asep Hermawan. “The Influence of Brand Image and Promotion on Product Purchase Decisions Smartphone Samsung Brand at Gion Cell West Bandung Store”. International Journal of Integrative Sciences, vol. 2, no. 11, Nov. 2023, pp. 1843-62, doi:10.55927/ijis.v2i11.6940.