KEELEY, Page. Science formative assessment : 75 practical strategies for linking assessment, instruction, and learning. Thousand Oaks : Corwin Press, c2008. xiv, 233 s. Available on Internet: <http://www.loc.gov/catdir/enhancements/fy0834/2007043276-d.html> <http://www.loc.gov/catdir/enhancements/fy0834/2007043276-t.html> ISBN 978-1-4129-4179-2.