Trends in Children's Reading Literacy Achievement 1991- 2001
IEA's study of trends in reading literacy achievement in primary school in nine countriesMartin, Michael O. Mullis, Ina V.S. Gonzalez, Eugenio J. Kennedy, Ann M.
Boston College , Chestnut Hill, MA (2003)
IEA's repeat in nine countries of the 1991 Reading Literacy Study