1. 2008
2. Ynni Cynaliadwy yng Nghymru

   Author: Hughes, G., Nov 2008

   Supervisor: Young, E. (Supervisor)

   Student thesis: Doctor of Philosophy

3. 2006
4. Values, management and contributions of the high altitude wetlands to local livelihoods

   Author: Morapeli-Mphale, M., Jan 2006

   Supervisor: Young, E. (Supervisor)

   Student thesis: Doctor of Philosophy