000 00293nam a2200133Ia 4500
008 211201s1999 xx 000 0 eng d
082 _a372.9
100 _aNUEPA
245 0 _aNUEPA Publication
260 _bNUEPA
_aNEW DELHI
_c1999
300 _a42
650 _aEducation
942 _2ddc
_cDOE
999 _c4452
_d4452