000 00564nam a2200205Ia 4500
008 180101s9999||||xx |||||||||||||| ||und||
020 _c
_495
_a9788120337237
040 _aIEW Library
041 _aEnglish
082 _a371.33
_bMAN
100 _aMangal, S. K.
245 0 _aEssentials of educational technology
_cS. K. Mangal and Uma Mangal
260 _bPHI learning
_aDelhi
_c2017
300 _axxiv, 812 p.
500 _aIncludes Biblio and Index
650 _aEducation
650 _aEducational technology
700 _aUma Mangal auth.
942 _cBK
999 _c3177
_d3177