Muhammad Ariq Ikhsan, et al. “The Influence of Social Media Influencer, Product Quality, Price, and Brand Image on Purchase Decisions for Local Perfume SAFF&Co”. Jurnal Ekonomi Manajemen Sistem Informasi, vol. 7, no. 3, Feb. 2026, pp. 2656-71, doi:10.38035/jemsi.v7i3.7447.