1. Spreadsheets and Bulgarian goats
2. Sugden , SJ . Cracking the safe, a puzzle from theCourier-Mailnewspaper, Queensland, Australia, 31st January 2011, p. 43
3. Dekkers , A , Adams , N and Elliott , S .Using technology to provide a supportive mathematical pathway into university, To be presented at Volcanic Delta, the eighth Delta Conference on the Teaching and Learning of Undergraduate Mathematics and Statistics, Rotorua, New Zealand, November 2011