Media type: E-Article Title: Learning with touchscreen devices: game strategies to improve geometric thinking Contributor: Soldano, Carlotta; Arzarello, Ferdinando Published: Springer Science and Business Media LLC, 2016 Published in: Mathematics Education Research Journal, 28 (2016) 1, Seite 9-30 Language: English DOI: 10.1007/s13394-015-0166-7 ISSN: 1033-2170; 2211-050X Origination: Footnote: