1. Investigation into the physical and chemical properties of soap bubbles with respect to their performance

   Awdur: Zelmer, A., 2019

   Goruchwylydd: Fitzsimmons-Thoss, V. (Goruchwylydd) & Lahmann, M. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

2. Leaf ion concentrations and salt tolerance in barley.

   Awdur: i Lleonart, M. A., Rhag 1994

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. Competitive interactions between Coffea arabica L. and fast-growing timber shade trees

   Awdur: van Kanten, R. F., Meh 2003

   Goruchwylydd: Sinclair, F. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth