000 00304nam a2200121 4500
020 _a0873454502
245 1 0 _aLeadership through supervision /
260 _aWashington :
_bSixteenth street,
_c1946.
300 _billus.
504 _aBibliography: p. 298-302.
650 0 _aIndustrial arts
942 _cBK
999 _c502348
_d502348