data.cdm01
data.cdm02
data.cdm03
data.cdm04
data.dcm
data.dtmr
data.ecpe
data.fraction1
data.fraction2
data.hr
data.jang
data.melab
data.mg
data.pgdina
data.sda6
data.Students
data.timss03.G8.su
data.timss07.G4.lee
data.timss11.G4.AUT.part
data.timss11.G4.AUT
fraction.subtraction.data
fraction.subtraction.qmatrix
sim.dina
sim.dino
sim.qmatrix
