1. 2017
2. Ymchwilio Addysg Ddwyieithog yn Ysgolion Cymru: Amrywiaeth Caleidosgopig

   Jones, B. (Author), Thomas, E. (Supervisor), 2017

   Student thesis: Doctor of Philosophy

3. 2016
4. An exploration of mentoring among Indian School teacher: A mixed-method study

   Arora, G. (Author), Buckley, C. (Supervisor) & Thomas, E. (Supervisor), Jan 2016

   Student thesis: Doctor of Philosophy

5. Caffaeliad Plant Ifanc Dwyieithog o’r System Ateb yn y Gymraeg

   Lloyd-Williams, S. (Author), Thomas, E. (Supervisor), Jan 2016

   Student thesis: Doctor of Philosophy

6. Cynyddu amlygiad plant i'r Gymraeg: Dylanwad rhaglenni cyw ar ddatblygiad geirfa plant a'u hadnabyddiaeth o reolau cystrawennol

   Williams, N. (Author), Thomas, E. (Supervisor), Jan 2016

   Student thesis: Doctor of Philosophy

7. Evaluating Trilingual Language Teacher Training Programmes for Minority Dominated Regions in Xinjiang: Current practice and Challenges

   Zhang, P. (Author), Thomas, E. (Supervisor) & Feng, A. (Supervisor), Jan 2016

   Student thesis: Doctor of Philosophy

8. The Current State of Scientific Literacy in Wales

   Dale, G. (Author), Lewis, J. (Supervisor) & Jones, S. W. (Supervisor), Jan 2016

   Student thesis: Doctor of Philosophy

9. Code-switching, Pedagogy and Transformation: Teachers' Perceptions of the Dynamics of Code-switching and Bilingual Identity

   Clapham, J. (Author), 2016

   Student thesis: Professional Doctorates

10. 2015
11. The literacy and self-esteem of children attending Welsh-Medium and English-Medium schools in Wales

    Young, N. (Author), Thomas, E. (Supervisor), 28 Aug 2015

    Student thesis: Doctor of Philosophy

12. An exploratory study of the linguistic and cognitive skills of Welsh-English bilingual children with moderate learning difficulties in Welsh-Medium education

    Lye, C. (Author), Ware, J. (Supervisor), Jan 2015

    Student thesis: Doctor of Philosophy

13. Exploring the Understanding of Epistemic Beliefs and Approaches to Teaching of In-Service University Teachers in Colombia, South America.

    Pacheco Daza, I. (Author), Fazey, J. (Supervisor), Jan 2015

    Student thesis: Doctor of Philosophy