Media type: E-Article Title: Introduction to Special Issue: Technological Pedagogical Content Knowledge Contributor: Angeli, Charoula; Valanides, Nicos Published: SAGE Publications, 2013 Published in: Journal of Educational Computing Research, 48 (2013) 2, Seite 123-126 Language: English DOI: 10.2190/ec.48.2.a ISSN: 1541-4140; 0735-6331 Keywords: Computer Science Applications ; Education Origination: Footnote: