Setiawan, Andreas, and Indah Handaruwati. “The Influence of Price, Promotion and Product Warranty on Purchasing Decisions for Second Cellphones at Bless Phone Solo”. EQUILIBRIUM - Jurnal Bisnis dan Akuntansi 19, no. 1 (April 30, 2025): 13–23. Accessed April 30, 2026. https://journal.ukrim.ac.id/index.php/jem/article/view/727.