TY - BOOK AU - Haylock, Derek AU - Cockburn, Anne TI - Understanding mathematics for young children SN - 978-1-4462-4866-9 U1 - DC 372.7044 2013 PY - 2013/// CY - Los Angeles PB - SAGE Publication, Inc. KW - Mathematics KW - Study and teaching (Elementary) N1 - Includes bibliographical references and index ER -