000 00491nam a2200193Ia 4500
008 160826s9999||||xx |||||||||||||| ||und||
020 _c395
_a9.78812E+12
040 _aIEW Library
041 _aEnglish
082 _a371.33
_bMAN
100 _aMangal, S. K.
245 _aEssentials of educational technology
_cS.K. Mangal
260 _aPHI LEARNING
_bNew Delhi
_c2009
300 _axxiv, 812 p.
500 _aIncludes Index
650 _aEducation
700 _aUma Mangal
942 _cBK
999 _c663
_d663