TY - BOOK AU - Clements,M.A. TI - Third international handbook of mathematics education T2 - Springer international handbooks of education SN - 9781461446835 (alk. paper) U1 - 510.71 23 PY - 2013/// CY - New York, London PB - Springer KW - Mathematics KW - Handbooks, manuals, etc N1 - Includes bibliographical references and indexes ER -