000 00614nam a22002177a 4500
999 _c1351
_d1351
003 OSt
005 20210928114840.0
008 120919b xxu||||| |||| 00| 0 eng d
020 _a9788120720749
040 _cKrishna
082 0 0 _a371.3028 SAM
100 1 _aSampath, K.
245 1 0 _aIntroduction to educational technology /
_c K. Sampath, A. Pannirselvam, S. Santhanam
260 _aNew Delhi :
_bSterling,
_c1981.
300 _axi, 367 p. :
_bill. ;
_c20 cm.
504 _aIncludes index.
650 0 _aEducational technology.
700 1 _aPannirselvam, A.
700 1 _aSanthanam, S.
942 _2ddc
_cBK