000 00310nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
100 _aGiridhar, C. H.
245 _aEncyclopeadia of educational Technology
260 _bCommonwelth
_c2016
300 _a266
650 _aENCYCOLOPEDIA, EDUCATION
942 _cBK
999 _c53345
_d53345