000 004070000a22001570004500
008 140223b1969 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aT:8 K9-;1
082 _aT:8 K9-;1
100 _aAggarwal J C
245 _aDemocratic principal and educational supervision.
260 _aNew Delhi
_bArya Bk.
_c1969
650 _aEducation
650 _aOrganisation
700 _aPant B D
999 _c105057
_d105057