000 00323nam a22001215i 4500
020 _a9781473953512 (pbk. : alk. paper)
020 _a9781473953505 (hardback : alk. paper)
100 1 _aHaylock, Derek.
245 1 0 _aUnderstanding mathematics for young children :
250 _a5th edition.
300 _apages cm
942 _cBK
999 _c217
_d217