http://www.centromandala.org/
https://www.agora-gallery.com/artistpage/Claudio_Stefanoni.aspx
http://www.alpesorg.com/
http://www.topcolor.it/
https://www.premioartelaguna.it/mostra16.17/
https://www.travellingart-arteinviaggio.com/claudio-stefanoni
https://www.eneganart.it/collezione/2016#greencard
http://www.milanodaballare.it/