000 00319nam a2200121Ia 4500
008 170102s9999 xx 000 0 und d
020 _cRS. 350.00
100 _aKrishna Kumar
245 _aWhat is worth teaching 4th ed.
_cKrishna Kumar
260 _aNew Delhi
_bOrient Blackswan
_c2013
300 _a160
942 _cBooks
999 _c11235
_d11235