HANDIKA, Willy; RACHMAH, Siti Mabrur; S, Nurhayati. PENGARUH LAYANAN PURNA JUAL DAN KUALITAS PRODUK TERHADAP KEPUASAAN PELANGGAN SMARTPHONE SAMSUNG DI JAKARTA. Global Research and Innovation Journal, [S. l.], v. 2, n. 3, p. 671–681, 2026. Disponível em: https://journaledutech.com/index.php/great/article/view/1571. Acesso em: 19 sep. 2026.