The official journal for the international federation of adapted physical activity (IFAPA) is adapted physical activity quarterly (APAQ). The journal is published by human kinetics. 

 http://journals.humankinetics.com/journal/apaq

Members of IFAPA are entitled to 30% discount from the price of subscription. The discount applies to print and electronic subscriptions.

If you are not yet a member, you can join IFAPA and take advantage of this exclusive offer. 

 http://ifapa.net/join-ifapa/