@inbook {3421, title = {Differentiated integration in the field of higher education: Between theory and practices of (non)integration}, booktitle = {European Higher Education and the Internal Market}, year = {2018}, pages = {127-160}, publisher = {Palgrave Macmillan}, organization = {Palgrave Macmillan}, edition = {Sin C., Tavares O., Cardoso S., J. Rosa M.}, chapter = {Differentiated Integration in the Field of Higher Education: Between Theory and Practices of (Non)Integration}, address = {Cham}, doi = {https://doi.org/10.1007/978-3-319-91881-5_5}, author = {L.G. Veiga and Ant{\'o}nio Magalh{\~a}es} }