000 00262nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aGupta, P. Das
245 0 _aWork Experience Classes I And II
260 _aNCERT
_bNCERT
_c1987
300 _a76p.
942 _cBK
999 _c14126
_d14126