000 00303nam a2200121 4500
082 _a370
_bBUR.G
084 _2Colon Classification
100 _aBurton, W H
245 _aGuidance of learning activites /
_cby Burton W H
260 _bAppletion,
_c1952.
650 _aGuidance of learning
942 _cBK
999 _c679263
_d679263