Links
[1] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2007-08.pdf
[2] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2008-09.pdf
[3] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2009-10.pdf
[4] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2010-11.pdf
[5] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2011-12.pdf
[6] http://www.econ.univpm.it/sites/www.econ.univpm.it/files/economia/qualita/rel2012-13.pdf