000 00332nam a22001337a 4500
999 _c4448
_d4448
008 170727b xxu||||| |||| 00| 0 eng d
020 _a8176488364
082 _a371.33
100 _aSingh, V.K.
245 _aInstructional technology in education
260 _aNew Delhi
_bAPH pub.
_c2005
300 _aIx, 263p. :
942 _2ddc
_cBK