Dr Louise Carr
Regan, T., & Carr, L. (2011). Making happiness a priority in Telford and Wrekin: Targeted Mental Health in Schools (TaMHS) final local evaluation report April 2011
Dr Emily Crichton
Apperly IA, Williams E, Williams J. Three- to four-year-olds' recognition that symbols have a stable meaning: pictures are understood before written words. Child Dev. 2004 Sep-Oct;75(5):151022.