KENNEDY YAP, Jonh; PURBA, Tiurniari. Pengaruh kualitas pelayanan, kualitas produk dan promosi terhadap keputusan pembelian Aki Merk SG pada PT Jaya Timur. Jurnal Paradigma Ekonomika, [S. l.], v. 17, n. 2, p. 461–476, 2022. DOI: 10.22437/jpe.v17i2.16834. Disponível em: https://www.online-journal.unja.ac.id/paradigma/article/view/16834. Acesso em: 17 may. 2026.