000 00257nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, U.K.
245 0 _aVocational Education
260 _aNew Delhi
_bDiscovery
_c2006
300 _a363p.
942 _cBK
999 _c12899
_d12899