Engsberg, J. R. “Editorial: The Versatility of Using Free Internet Videogames for Motor Therapy for Persons With Disabilities”. Journal of Intellectual Disability - Diagnosis and Treatment, vol. 4, no. 3, Oct. 2016, pp. 140-1, https://www.lifescienceglobal.com/pms/index.php/jiddt/article/view/4146.