ERMELIA, T.; SOEMITRA , A. . Optimizing the Preparation of Your Own Estimated Price with a Reasonable Profit Procurement of Goods/Services for the Mayor of Binjai. Jurnal Ekonomi, Manajemen, Akuntansi dan Keuangan, [S. l.], v. 3, n. 3, p. 795–802, 2022. DOI: 10.53697/emak.v3i3.592. Disponível em: https://penerbitadm.pubmedia.id/index.php/jurnalemak/article/view/592. Acesso em: 17 may. 2024.