TY - DATA ED - National Association for the Education of Young Children. ED - ERIC Clearinghouse on Elementary and Early Childhood Education. TI - Early Childhood Research Quarterly SN - 0885-2006 CY - Norwood, NJ PB - Ablex. KW - Child development KW - periodicals KW - Child psychology N1 - Restricted access; WHO staff only UR - http://apps.who.int/iris/ ER -