1. Cyhoeddwyd

   Sketching Designs Using the Five Design-Sheet Methodology

   Roberts, J. C., Headleand, C. & Ritsos, P. D., 12 Awst 2015, Yn: IEEE Transactions on visualization and computer graphics. 22, 1, t. 419-428

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2. Cyhoeddwyd

   Critical Thinking Sheets: Encouraging critical thought and sketched implementation design

   Roberts, J. C. & Ritsos, P. D., Mai 2019.

   Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid