Active agreements with related PhDs XXXVIII Cycle University of Nicosia, Cyprus: Letter of Intent University of Nicosia, Cyprus: Memorandum of understanding
Active agreements with related PhDs XXXVI e XXXVII Cycle Universidad Nacional de Rio Negro, Argentina: Doctorado de la Universidad Nacional de Rio Negro - Mención Ciencias de la Tierra Universidad de Castilla-La Mancha (UCLM), Spagna: PhD in Agricultural and Environmental Sciences
