na INLIS000000000009950 20210823010941 0010-0821000004 ta 210823 | | | 9780429034268 320 320 PET c Petersmann, Ernst-Ulrich Constitutional Functions And Constitutional Problems Of International Economic Law / Ernst-Ulrich Petersmann 1st Edition New York : Routledge, 2019 518p <a href="https://www.taylorfrancis.com/books/9780429034268">e-book</a> Politics & International Relations