GULTOM, N. C.; TAMENGKEL, L. F.; PUNUINDOONG, A. Y. Pengaruh Promosi Penjualan Terhadap Keputusan Pembelian pada Kedai Ingat Kopi Kota Sorong. Productivity, [S. l.], v. 3, n. 5, p. 384–389, 2022. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/43090. Acesso em: 7 may. 2024.