000 00284nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKalra, Alka
245 0 _aEfficient School Management And Role Of Principals
260 _aNew Delhi
_bA.P.H.
_c2010
300 _a190p.
942 _cBK
999 _c13583
_d13583