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Bardjo Sarwo Utomo, Arif Budiharjo. The Effect of Product Knowledge, Positioning, and Brand Trust on Purchase Decision through Product Benefit Testimonials: A Case Study of PT BIOESA Bandung’s Male-Vitality Coffee . ePaper Bisnis [Internet]. 2025 Sept. 30 [cited 2026 Oct. 27];3(3):69-92. Available from: https://international.arimbi.or.id/index.php/ePaperBisnis/article/view/765