1. Department for the Enhancement of Learning, Teaching and Assessment, Robert Gordon Universityhttp://www.rgu.ac.uk/delta
2. Cognition and Learning;Greeno,1996
3. The Conditions of Learning;Gagne,1985
4. Science of Education and the Psychology of the Child;Piaget,1970
5. A Bright Spark: Open Teaching of Science Using Faraday's Lectures on Candles