HARJATI, L. PENGARUH KUALITAS LAYANAN DAN PROMOSI PENJUALAN TERHADAP KEPUASAN KONSUMEN ALFAMART DI SUNTER. Jurnal Ekonomi Perusahaan, [S. l.], v. 24, n. 2, 2018. DOI: 10.46806/jep.v24i2.448. Disponível em: https://jurnal.kwikkiangie.ac.id/index.php/JEP/article/view/448. Acesso em: 25 oct. 2025.