A proposed framework to assess upstream supply chain sustainability S.G. Azevedo H. Carvalho L.M. Ferreira J.C.O. Matias Publication Journal: Environment, Development and Sustainability Year of Publication: 2017 Volume: 19 Issue: 6 Pagination: 2253-2273 Identifiers Other Numbers: 2-s2.0-84984924716 Alternative titles DOIGoogle ScholarBibTeXRIS Locators