ZUHRINAL; MELSA SIAGIAN. PENTINGNYA KEWIRAUSAHAAN BAGI PEREKONOMIAN BANGSA. OPTIMAL Jurnal Ekonomi dan Manajemen, [S. l.], v. 3, n. 1, p. 184–190, 2023. DOI: 10.55606/optimal.v3i1.966. Disponível em: https://journal.amikveteran.ac.id/index.php/optimal/article/view/966. Acesso em: 2 may. 2024.