000 00556nam a2200205Ia 4500
999 _c13819
_d13819
003 OSt
005 20200108214727.0
008 160427s9999 xx 000 0 und d
020 _a9781412995689
040 _cLIRC
082 _a510.712 GRO
100 _aGroth, Randall E.
245 _aTeaching mathematics in grades 6-12
_bdeveloping research-based instructional practices
260 _aLondon
260 _bSage Publications
260 _c2013
300 _a486 p.
_c27.7 x 21.3 x 2 cm
650 _vEducational Technology
942 _2ddc
_cBK