SARAH, E. M.; TUMANGGOR, W. Pengaruh Promosi Dan Harga Terhadap Keputusan Pembelian Pada PT. Wahana Chemindo Jaya Medan. Metta : Jurnal Ilmu Multidisiplin, [S. l.], v. 1, n. 3, p. 117–125, 2021. DOI: 10.37329/metta.v1i3.1499. Disponível em: https://jayapanguspress.penerbit.org/index.php/metta/article/view/1499. Acesso em: 29 mar. 2024.