000			00329nam a2200133Ia 4500
005			20260205054138.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a371.33 K897E
100			_aKrishnamurthy, R.C
245		0	_aEducational technology
260			_aNew Delhi _bAuthorpress _c2003
300			_a328p.
942			_cBK
999			_c133654 _d133654