00905nam a2200289Ia 450000100060000000300050000600500170001100800410002801000150006902000280008404000190011204100080013105000230013908200070016224500960016926000380026530000140030333600200031733700160033733800190035349000360037250000240040850400510043265000760048370000290055970000270058837954BIBL20251029085751.0830216s1983    nyua     b    00100 eng    a 83002845   a012444220X (alk. paper)  aEVLGbspaerda  aeng0 aQA135.5b.A27 19830 21900aAcquisition of mathematics concepts and processes /cedited by Richard Lesh, Marsha Landau.0 aNew York :bAcademic Pressbc1983  a408 pages  2rdacontentbtxt  2rdamediabn  2rdacarrierbnc  aDevelopmental Psychology Series  abeight case studies  aIncludes bibliographical references and index. 0aMathematics - - Study and teaching (Elementary).vPsychological aspects  aLesh, Richard A.eeditor1 aLandau, Marshaeeditor