000 00495nam a22001937a 4500
003 OSt
005 20220930141127.0
008 120925b xxu||||| |||| 00| 0 eng d
020 _a8176482277
040 _cKrishna
082 _a371.25 BHA
100 _aBharadwaj, N. S.
245 _aMultigrade teaching.
260 _aNew Delhi :
_bAPH publishing,
_c2011.
300 _aix,165 p. :
_bill. ;
_c21 cm.
504 _aIncludes index.
650 _amulitgrade teaching.
942 _2ddc
_cSTL
999 _c1573
_d1573