1988|
1989|
1990|
1991|
1992|
1997|
1998|
2000|
2001|
2002|
2003
1992
"Theatre and Information", organised for the Autonomous Region of Sardegna - Council of Education (Cagliari, 6th December 1992 - Teatro dell'Arco).
"Competence, responsibility and controls" by the Council for local business- Organised for the Autonomous Region of Sardegna (Cagliari December 1992)
"From budget to actual costs" by the Council for local business - organised for the Autonomous Region of Sardegna (Cagliari June 1992)
