00672nam a2200217Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100002600111245004700137260004800184300000900232650002400241700002700265942001300292999001900305952013000324OSt20250822151212.0250729s2005    xx            000 0 und d  a978-8171416875  cAL  aeng  a510.7 EDIT  aEdiger Marlow9221859  aTeaching mathematics in elementary schools  aNew DelhibDiscovery Publishing Housec2005  a200p  aMathematics9221860  aRao Digumurthi9221861  2ddccBED  c235204d235204  00104070aALbALd2025-07-29eSita Book Houseg165.00l0o510.7 EDITpBED00523r2025-07-29 16:53:48v165.00w2025-07-29yBK