The growth of basic mathematical and scientific concepts in children

Manylion Llyfryddiaeth
Prif Awdur:	Lovell, K. (Kenneth)
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	London Hodder and Stoughton c1966.
Rhifyn:	5th ed.
Cyfres:	Unibooks
Pynciau:	Number concept in children. Conservation (Psychology)