KOREMAN, G. A Cross-Purchasing Portfolio Application of Best Value Procurement: Lessons Learned from Six Cases at Ballast Nedam. Journal for the Advancement of Performance Information and Value, [S. l.], v. 3, n. 1, p. 128, 2011. DOI: 10.37265/japiv.v3i1.112. Disponível em: http://journal.cibw117.org/index.php/japiv/article/view/112. Acesso em: 26 apr. 2024.