- How advanced is advanced when it comes to speaking?2014 | Filozofická fakulta
- On the relation between L1 and L2 speech rate2017 | Filozofická fakulta
- On the relation between L1 and L2 speech rate2018 | Filozofická fakulta, Matematicko-fyzikální fakulta
- Accuracy in Spoken Learner English at B2 and C1 Levels2019 | Filozofická fakulta