ADELIA, K.; ROSNAIDA, R. Pengaruh Kualitas Produk, Harga dan Kualitas Pelayanan terhadap Keputusan Pembelian pada PT Graha Informatika Nusantara Sumatera Utara. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business, [S. l.], v. 9, n. 3, p. 1220-1228, 2026. DOI: 10.37481/sjr.v9i3.1544. Disponível em: https://ojspustek.org/index.php/SJR/article/view/1544. Acesso em: 7 oct. 2026.