1. The playful child: measurement of a disposition to play.;Barnett;Play Cult.,1991
2. “The need for play for the sake of play,” in;Besio;Play Development in Children with Disabilities,2017
3. “Play in Children with Physical Impairment,” in;Besio;Play Development in Children with Disabilities,2017
4. “Is play easier for children with physical impairment with mainstream robots? Accessibility issues and playfulness,” in;Besio;Proceeding of the Conference Universal Learning Design