000 00274nam a2200121Ia 4500
003 IN-KoSCC
100 1 _aDash, B.C.
245 1 _aTextbook of educational Technology
260 _aNew Delhi
_bWisdom Press
_c2011
300 _a285p.
_c23cm.
500 _aRs.950.00
942 _cBK
999 _c11707
_d11707