000			00413cam a22001457a 4500
008			180718b1957 xxu||||| |||| 00| 0 eng d
082			_aP400 M84p/57
100			_aMort, P.R.
245			_aPrinciples of school administration _cby P.R. Mort and D.H. Ross
250			_a2nd ed.
260			_aNew York _bMcGraw-Hill _c1957
300			_a451p.
650			_aSchool management and organization
700			_aRoss, D.H.
999			_c374506 _d374506