Losada Fraga, F. “The Green Paper on the Modernization of Public Procurement Policy of the EU: Towards a Socially-Concerned Market or towards a Market-Oriented Society?”. Oñati Socio-Legal Series, vol. 2, no. 4, Jan. 2012, pp. 60-82, https://opo.iisj.net/index.php/osls/article/view/130.