000 00328nam a22001337a 4500
999 _c4308
_d4308
008 170710b xxu||||| |||| 00| 0 eng d
020 _a8176488550
082 _a371.33
100 _aMishra, R.C.
245 _aEducational research and development
260 _aNew Delhi
_bAPH pub.
_c2005
300 _a302p. :
942 _2ddc
_cBK