1. Armstrong T (1994)Multiple intelligences in the classroom(Alexandria, VA, ASCD)
2. Ballard RD (1989)The JASON Project(Woods Hole, MA, Woods Hole Oceanographic Institution)
3. Biggs JB Collis KF (1982)Evaluating the quality of learning: the SOLO taxonomy—structure of the observed learning outcomes(New York, NY, Academic Press)
4. Crichton MA case of need