SANDI KOSASI, Bima; ROMAULI SITUMEANG, Rosinta; CLAUDIA KHARISMA, Maria; ASTRI, Jenny. PENGARUH KUALITAS PELAYANAN, PROMOSI PENJUALAN DAN HARGA TERHADAP KEPUTUSAN PEMBELIAN PT DARUL UMROH HARAMAIN MEDAN. Jurnal Ekonomi Bisnis Manajemen Prima, [S. l.], v. 4, n. 1, p. 59–75, 2022. DOI: 10.34012/jebim.v4i1.2917. Disponível em: http://139.162.50.187/index.php/JEBIM/article/view/2917. Acesso em: 30 oct. 2026.