?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Umino%2C+Tae.&rft.aufirst=Tae.&rft.aulast=Umino&rft.degree=Doctoral&rft.tpages=245&rft.title=Foreign+language+learning+with+self-instructional+television+materials+%3A+an+exploratory+study&rft.inst=Institute+of+Education%2C+University+of+London&rft.date=2002