Paolo Alessandrini
E-mail: paoloaless@gmail.com
Web: https://www.paoloalessandrini.it
Blog: http://misterpalomar.blogspot.com
Canale Youtube: Paolo Alessandrini – Matematica
Instagram: paolo.alessandrini
Facebook: profilo personale
Twitter: @mrpalomar
Tel: 349 6358648