AHMADDIEN, I. . Price Negotiation of E-Purchasing Catalog In Government Procurement of Goods/Services. Cessie : Jurnal Ilmiah Hukum, [S. l.], v. 2, n. 1, p. 44–50, 2023. DOI: 10.55904/cessie.v2i1.637. Disponível em: https://jurnal.arkainstitute.co.id/index.php/cessie/article/view/637. Acesso em: 20 nov. 2024.