000 00302nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
100 _aWalia, J. S.
245 _aEssentials of Educatioanal Technology
260 _bAhim Paul Pub.
_c2016
300 _a424
650 _aCOMPUTER EDUCATION
942 _cBK
999 _c53280
_d53280