Bart Penning de Vries has completed his PhD thesis entitled
'Computerised Speaking Practice: The Role of Automatic Corrective
Feedback in Learning L2 Grammar´ at the Centre of Language and Speech
Technology (CLST) of the Radboud University Nijmegen, the Netherlands.
It was supervised by Professor Roeland van Hout.

Link to the document:
http://repository.ubn.ru.nl/bitstream/handle/2066/141390/141390.pdf

Email address: bardtpdv@gmail.com