000 00297nam a2200133Ia 4500
008 160316s1992 xxu||||| |||| 00| 0 eng d
020 _a
100 _aChand , Tara
245 _aEducational Tchnology
250 _a
260 _aNEW DELHI
_bANMOL PUBLISHERS
_c1992
300 _a416
700 _a
_a
999 _c4315
_d4315