1. The role of epidermal solutes in the control of stomatal movement

   Awdur: Anisiobi, A., 2018

   Goruchwylydd: Tomos, A. (Goruchwylydd) & Steele, K. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

2. The role of emotional expression in performance and health

   Awdur: Davis, P. A., 2009

   Goruchwylydd: Woodman, T. (Goruchwylydd) & Callow, N. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. The role of conservation organisations in the mitigation of ash dieback in Wales

   Awdur: Fraser, A., 2023

   Goruchwylydd: Walmsley, J. (Goruchwylydd) & Dandy, N. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

4. The role of confidence in rehabilitation and the recovery of motor performance

   Awdur: Waters, A. G., Gorff 2005

   Goruchwylydd: Hardy, L. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. The role of canopy structure in leaf litter production, quality and decomposition in rustic and traditional coffee systems and forests in Mexico

   Awdur: Villavicencio Enriquez, L., 2009

   Goruchwylydd: McDonald, M. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. The role of bio-inoculants on phosphorous relations of barley

   Awdur: Mirzaei Heydari, M., 1 Ion 2013

   Goruchwylydd: Brook, R. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. The role of UNESCO in sustaining cultural diversity in the Sultanate of Oman, 1970-2020

   Awdur: Al-Abri, M., 29 Hyd 2020

   Goruchwylydd: Davis, H. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. The role of TEX19 in growth and maintenance of colorectal cancer stem-like cells

   Awdur: Planells Palop, V., Ion 2016

   Goruchwylydd: Mcfarlane, R. (Goruchwylydd) & Wakeman, J. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. The role of Religious Salience and Ethnicity in Weakening Political Institutions in Nigeria since 1960: A Socio-economic analysis

   Awdur: Osokogwu, E., 9 Ebr 2024

   Goruchwylydd: Huskinson, L. (Goruchwylydd) & Wali, F. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. The role of Psychological Processes in acquired brain injury sequelae

    Awdur: Byrne, C., Ion 2016

    Goruchwylydd: Coetzer, B. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethuriaethau Proffesiynol