MIKOWATI, L.; GULTOM, Y. M. L. Price Gap Comparison in Unit Price and Lump Sum Contracts: A Transaction Cost Economic Approach. Jurnal Perencanaan Pembangunan: The Indonesian Journal of Development Planning, [S. l.], v. 7, n. 1, p. 138–160, 2023. DOI: 10.36574/jpp.v7i1.443. Disponível em: https://journal.bappenas.go.id/index.php/jpp/article/view/443. Acesso em: 26 apr. 2024.