Methven O'Brien, Claire and Martin-Ortega, Olga ORCID: 0000-0002-1779-0120 (2019) Discretion, divergence, paradox: Public and private supply chain standards on human rights. In: Bogojevic, Sanja, Groussot, Xavier and Hettne, Jorgen, (eds.) Discretion in EU Public Procurement Law. Studies of the Oxford Institute of European and Comparative Law . Hart Publishing, Oxford, UK, pp. 189-210. ISBN 978-1509919482 (doi:https://doi.org/10.5040/9781509919512.ch-009)