000 00261nam a22001097a 4500
005 20161206171703.0
008 161206b xxu||||| |||| 00| 0 eng d
040 _cOC
245 _aResearch in Mathematics Education
300 _avolumes;
_b15 cm.
942 _2lcc
_cCR
999 _c6262
_d6262