Waruwu, Aldy Pratama, et al. “Analisis Keputusan Pembelian Produk Iphone”. Prosiding Seminar Nasional Manajemen, vol. 4, no. 1, Dec. 2024, pp. 1096-02, https://openjournal.unpam.ac.id/index.php/PSM/article/view/46161.