The Early development of number concepts /

Sábháilte in:
Sonraí bibleagrafaíochta
Údar corparáideach: Scottish Council for Research in Education
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Bickley, Kent : University of London Press, 1942.
Sraith:Publication (Scottish Council for Research in Education) ; no. 20.
Ábhair:
Cur síos
Cur síos fisiciúil:63 p.
Leabharliosta:Includes bibliographical references.