SINAGA, Agam; BUTAR BUTAR, Monetarist; MARPAUNG, Masriani Niken Prawesti. Pengaruh Kualitas Pelayanan dan Penangguhan Brand Image Terhadap Kepuasan Pelanggan Pada Cosmetic Underprice di Medan. Innovative: Journal Of Social Science Research, [S. l.], v. 5, n. 3, p. 1787–1799, 2025. DOI: 10.31004/innovative.v5i3.19094. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/19094. Acesso em: 2 may. 2026.