000 00429nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
082 _a510.7KRU
100 _aKrulik, Stephen.
245 0 _aHow To Use the Overhead Projector in Mathematics Education /Stephen Krulik, Irwin Kaufman.
260 _aWashington D.C.
_bThe National Council of Teachers of Mathematics
_c1966
650 _aMATHEMATICS - Study and teaching.
942 _2ddc
_cREF
999 _c70
_d70