000 00333nam a2200121 4500
020 _a978-1-4739-4896-9
082 _aCir. 510.71 So87 C2017
100 _aEd Southall
245 _aYes, But Why? Teaching for Understanding in Mathematics
260 _aCalifornia
_bSage Publications
_c2017
300 _b324p.; ill.: 23.2cm
942 _cBK
999 _c4150
_d4150