?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Guo&rft.aufirst=Hui&rft.au=Guo%2C+Hui&rft.tpages=419&rft.title=Mobile+assisted+language+learning+(MALL)+from+a+sociocultural+ecological+perspective%3A+An+exploratory+study+of+overseas+Chinese+students+in+the+UK+learning+English+speaking+skills+with+mobile+apps+outside+the+classroom&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral&rft.date=28+November+2022