Werdelin, Ingvar
The mathemical ability : experimental and factorial studies / by Ingvar Werdelin - Lund : CWK Gleerup ; Copenhagen : Ejnar Munksgard, 1958 - 356 p. ; gráf., tablas - Studia psychologica et paedagogica : series altera ; .
MATEMATICAS
PEDAGOGIA
EDUCACION CIENTIFICA
PSICOLOGIA DE LA EDUCACION
51
The mathemical ability : experimental and factorial studies / by Ingvar Werdelin - Lund : CWK Gleerup ; Copenhagen : Ejnar Munksgard, 1958 - 356 p. ; gráf., tablas - Studia psychologica et paedagogica : series altera ; .
MATEMATICAS
PEDAGOGIA
EDUCACION CIENTIFICA
PSICOLOGIA DE LA EDUCACION
51
