Petruccio, Giovanni Francesco Maria (A.A. 2022/2023) The study of informal differentiated cooperation in the European Union: case study on the memorandum of understanding between the European Union and Tunisia. Tesi di Laurea in EU neighborhood-policies and migration, Luiss Guido Carli, relatore Maria Giulia Amadio Vicerè, pp. 95. [Master's Degree Thesis]