TIMSS 2007 Encyclopedia
A guide to mathematics and science education around the world (Vols. 1‚ 2)
Mullis, Ina V.S.
Martin, Michael O.
Olson, John F.
Berger, Debra R.
Milne, Dana
Stanco, Gabrielle M.
Boston College , Chestnut Hill, MA (2008)
