TY - BOOK AU - Driscoll,Mark J. ED - Central Midwestern Regional Educational Laboratory. ED - National Institute of Education (U.S.) TI - Research within reach: elementary school mathematics AV - QA135.5 .R48 U1 - 428.43 19 PY - 1981///?] CY - Reston, Va. (1906 Association Dr., Reston 22091) PB - National Council of Teachers of Mathematics KW - Mathematics KW - Study and teaching (Elementary) KW - Research N1 - "Originally published as separate pieces by the Research and Development Interpretation Service (RDIS) for the Research and Development Exchange (RDx)."; Includes bibliographies and indexes ER -