000 00266nam a22001097a 4500
082 _a371.3
_bBUR
100 _aBurton, W H
245 _aGuidance Of Learning Activities /
_cC H Burton
250 _a2nd ed
260 _AAppleton-Century-Crofts,
_c1952
942 _cBK
999 _c502388
_d502388