?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Sinigalias%2C+Pavlos-Ioannis&rft.aulast=Sinigalias&rft.aufirst=Pavlos-Ioannis&rft.tpages=336&rft.degree=Doctoral&rft.inst=Institute+of+Education%2C+University+of+London&rft.date=2002&rft.title=Secondary+students'+understandings+of+healthy+diet+%3A+a+comparative+study+in+Greece+and+England