00654nam a22001817a 450000500170000001000150001702000260003203500140005803700130007208200110008510000250009624501600012126000750028127000420035630000220039849000110042050000410043120161109145354.0  aENG-116491  a9789350072677c311.00  aEN-100023  bDBAD/PUB  a510.71  aChakravarty, Basudha  aCusomisised teacher's traning package for KGBV teachers Mathematic  :bteachings of algebra, ratio and proportion,mensuration,data handling and annexure /   aNew DelhibNational Council of educational Research and Tranningc2014  aSri Aurobindo MargbNew Delhie110016  a268p.c19cm (pbk)  aBook-3  aIncludes bibliographical references