000			00327nam a2200145Ia 4500
100			_aJain, Purabi
020			_a81 7888 158 6
365			_b595
942			_cBK
654			_a
245			_aEducational technology
260			_aNew Delhi _bDominant Publishers and Distributors _c2004
082			_a371.33
300			_axi,298
999			_c420131 _d420131
041			_aeng