ISBN 9783030766764 books & textbook
Integration and Differentiation in the European Union: Theory and Policies (European Union Politics)
Leuffen, Dirk Rittberger, Berthold Schimmelfennig, Frank
Palgrave Macmillan /2021-12-18 Paperback / 468 Pages
isbn-10: 3030766764 / isbn-13: 9783030766764
