000 00414cam a2200169ua 4500
001 13233
008 141203n1996 II |||gr||||Z||||||eng
040 _aMAIN
041 _aEnglish
082 _a371.33 DAS
100 _aDAS , BISHNU CHARAN .
245 _aEDUCATIONAL TECHNOLOGY
260 _aNEW DELHI
_bKALYANI PUBLISHERS
_c1996
300 _a162.:
_c20CM.
653 _aEducational Technology
942 _cBK
999 _c13120
_d13120