10/01/86 → 19/12/86
Project: Other
4/04/86 → 4/12/87
Project: Other
10/04/89 → 4/12/92
Project: Other
Brunfaut, T. & Webb, V.
1/01/00 → 31/12/02
Project: Research
3/01/05 → 16/12/05
Project: Other
3/04/06 → 3/12/07
Project: Other
Brunfaut, T. & Van de Poel, K.
1/01/07 → 30/11/08
Project: Research
2/02/09 → 4/12/09
Project: Other
Pearson Language Tests
1/07/10 → 31/08/12
Project: Research
Michel, M., Revesz, A. & Gilabert, R.
18/08/11 → 30/06/16
Project: Other
Trinity College London
19/03/12 → 31/03/15
Project: Research
1/04/12 → 31/12/13
Project: Research
1/04/13 → 31/12/14
Project: Research