Ermelia, T. and Soemitra , A. . (2022) “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, 3(3), pp. 795–802. doi: 10.53697/emak.v3i3.592.