Pengaruh Variasi Produk, Word Of Mouth, Promosi Dan Layanan Purna Jual Terhadap Keputusan Pembelian. Journal of Economics, Management, and Business, [S. l.], v. 5, n. 2, p. 46–58, 2026. DOI: 10.32699/713sjb02. Disponível em: https://ojs.unsiq.ac.id/index.php/magna/article/view/12420. Acesso em: 31 aug. 2026.