@inbook {Machado2013, title = {Higher education cost-sharing policy: The Portuguese case}, booktitle = {Higher education: Recent trends, emerging issues and future outlook}, year = {2013}, pages = {131-147}, publisher = {Nova Science Publishers}, organization = {Nova Science Publishers}, address = {New York}, author = {L. Cerdeira and Tom{\'a}s Patroc{\'\i}nio and B. G. Cabrito and M. L. Machado-Taylor and R. Brites}, editor = {L. R. Smith} }