%0 Thesis %9 Doctoral %A Derry, Jan %D 2003 %F discovery:10006647 %I Institute of Education, University of London %P 202 %T Vygotsky and his critics: philosophy and rationality %U https://discovery.ucl.ac.uk/id/eprint/10006647/ %Z Thesis: (PhD) University of London Institute of Education, 2003.