000 00281nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKalra, Alka
245 0 _aEfficient School Management And Role Of Principles
260 _aNew Delhi
_bAPH
_c2004
300 _a190p.
942 _cBK
999 _c11824
_d11824