A. R. Freire et al.,  "«Political  participation of the young versus old age cohorts before and after the Great Recession: Portugal in a comparative perspective, 2008-2016»", in Political Representation and Citizenship in Portugal: from Crisis to Renewal?, Marco Lisi, André Freire  & Emmanouil Tsatsanis, Ed., Lanham, Lexington Books – Rowman & Littlefield, 2020, vol. 1