ANDIKA, As’; MAHLIZA, Febrina. Pengaruh Kelas Sosial, Iklan, dan Word of Mouth terhadap Keputusan Pembelian Smartphone Oppo. Journal of Fundamental Management (JFM), Jakarta, Indonesia, v. 5, n. 3, p. 367–381, 2025. DOI: 10.22441/jfm.v5i3.32814. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/jfm/article/view/32814. Acesso em: 28 may. 2026.