Analisa Kepuasan Pelanggan terhadap Pelayanan Jasa Pengiriman SPX Express dengan Metode Importance Performance Analysis (IPA). Jurnal Prima Manajemen, [S. l.], v. 1, n. 3, p. 511–521, 2026. Disponível em: https://journal.al-afif.org/index.php/jpm/article/view/828. Acesso em: 15 feb. 2026.