000 00823nam a2200277Ia 4500
003 OSt
005 20220925203702.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
020 _a0132118548
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aT2,b.73.N7, L2
100 _aDempsey Richard A
_9266773
245 0 _aDifferentiated staffing
260 _aEnglewood
_bCliffs N J Prentice-Hall
_c1972
300 _axvi,238p.
_ccm.
490 _aPrentice-Hall Series In Curriculum And Teching
500 _aBib p. 218-30
650 _aSecondary Education
_9171032
700 _a Smith Rodney P
_9266774
942 _hT2,b.73.N7, L2
_cGB
_2CC
999 _c547397
_d547397