Belchior, Ana Maria (2015). «Citizens' biased perceptions of pledges fulfillment: Understanding its causes using evidence from Portugal», 2nd International Conference of Public Policies (1-4 Julho, Università Cattolica del Sacro Cuore, Milão).. 2nd International Conference of Public Policies (1-4 Julho, Università Cattolica del Sacro Cuore, Milão).,.