Optimasi Volume Penjualan melalui Strategi Personal Selling Proaktif pada Industri Manufaktur Kayu Lapis. Economic : Jurnal Ekonomi dan Hukum Islam, [S. l.], v. 15, n. 2, 2024. DOI: 10.59943/444pj309. Disponível em: https://ejournal.staidu.ac.id/index.php/economic/article/view/163. Acesso em: 8 oct. 2026.