The tutoring-students can help their colleagues providing information and advices on several arguments, including, just  for example, the organization of the courses, the teaching material,   the facilities of  the University . 

The tutoring-students can be contacted by email at the address tutor@diism.unisi.it , by WhatsApp, or in person in room 121 (office "Studenti tutor"), during office hours or by appointment.

The time table of office hours is available here (in Italian).