000 00395nam a2200181Ia 4500
008 200208s9999 xx 000 0 und d
020 _a9788190484510
082 _aH 371.33
100 _a"Yadav, D.S."
245 0 _aShikshan takniki ke mool tatav
260 _aDelhi
260 _bNeha pub.
260 _c2007
365 _b475
365 _dRS
650 _aEducation
942 _cB
999 _c217261
_d217261