00694nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000180009908200100011710000310012724500940015826000410025230000260029349000490031950000220036850400300039065000560042085496BIBL20160527203753.0790510s1979    caua     b    00110 eng    a 79014931   a07167102771 aQA135.5b.W39  a372.710aWeissglass, Julian.2Local10aExploring elementary mathematicsba small-group approach for teachingcJulian Weissglass.0 aSan FranciscobW. H. Freemancc1979.  axviii, 289 p.bill. .0 aSeries of books in the mathematical sciences  aIncludes indexes.  aBibliography: p. 281-283. 0aMathematicsxStudy and teaching (Elementary)2Local