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Kress, Gunther and Jewitt, Carey and Bourne, Jill and Franks, Anton and Hardcastle, John and Jones, Ken and Reid, Euan (2005) English in Urban Classrooms A multimodal perspective on teaching and learning. RoutledgeFalmer, Abingdon. ISBN 0-415-33169-2 (print); 978-0-203-46360-4 (electronic)
Hardcastle, John (2003) Signs and classrooms : historical perspectives on the role of signs in human development, with particular reference to an urban classroom. PhD thesis, Institute of Education, University of London.