1. Biology in bloom: Implementing bloom's taxonomy to enhance student learning in biology;Crowe;CBE Life Sci. Educ.,2008
2. American Association for the Advancement of Science (AAAS) http://www.visionandchange.org 2009
3. Association of American Medical Colleges, Howard Hughes Medical Institute 2009 http://www.hhmi.org/grants/sffp.html
4. A. A. Russell 2009 http://serc.carleton.edu/sp/pkal/index.html