@inbook {3516,
	title = {Portuguese higher education student{\textquoteright}s costs: Two decades view},
	booktitle = {Investigaciones de la econom{\'\i}a de la educaci{\'o}n},
	year = {2012},
	pages = {489-501},
	author = {L. Cerdeira and Tom{\'a}s Patroc{\'\i}nio and B. G. Cabrito and M. L. Machado-Taylor and R. Brites},
	editor = {E. Pereira}
}
@article {Maria_de_Lourdes_Machado-Taylor33293219,
	title = {Portuguese higher education student{\textquoteright}s costs: Two last decades view},
	journal = {Problems of Education in the 21st Century},
	volume = {47},
	year = {2012},
	pages = {16-26}
}
