000 00291nam a2200109Ia 4500
100 _aRay, S.(ed)
942 _cBK
245 _aElectricity at work
_bClasses VI-VIII
260 _aNational council of educational research and training, New delhi
082 _a621.3 N.C.E.R.T
300 _aIX, 53
999 _c65159
_d65159