000 00303nam a2200121Ia 4500
008 230529s9999 xx 000 0 und d
100 _aAgrawal, J.C.
245 0 _aEssentials of Educational Technology
260 _bAgrawal Pub.
_aAgra
_c2015
300 _a517
650 _aSpecial Education
942 _cBK
999 _c8423
_d8423