000 00421nam a2200157Ia 4500
082 _a371.3
_bSPI
100 _aSpears, Harold
_933156
245 _aImproving the supervision of instruction
_cHarold Spears
260 _aEnglewood Cliffs:
_bPrentice Hall,
_c1953.
300 _axii, 478p.
500 _aIncludes index
546 _aEng
650 _aSchool supervision
_924672
650 _aTeaching
_9163046
942 _cBK
999 _c30152
_d30152