00636nam a2200205Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001500095100002600110245004600136260004800182300000900230650002400239942001300263999001900276952013500295OSt20250806150102.0250729s2003    xx            000 0 und d  a81-7141-687-X  cAL  aeng  a510.7 EDIT  aEdiger Marlow9221017  aTeaching mathematics in elementary school  aNew DelhibDiscovery Publishing Housec2003  a295p  aMathematics9221018  2ddccBED  c234821d234821  001040708BEDaALbALd2025-07-29eSita Book Houseg165.00l0o510.7 EDITpBED00140r2025-07-29 16:53:29v165.00w2025-07-29yBK