http://www.asdemissionizero.com/2017/02/trail-building-school-val-sole.html
Potrebbe anche interessarti
25/02/2015 – MTB Cult – http://www.mtbcult.it/42549/nasce-imba-italia-per-rendere-la-mtb-accessibile-a-tutti/
https://www.pinkbike.com/news/riva-del-garda-will-host-the-2018-imba-italia-trail-building-school.html
https://www.imba-europe.org/news/il-ciocco-host-5th-italian-trail-building-school-1314-april
European MTB Survey – MTBCult