000			00310 a2200121 4500
020			_a978-81-237-2054-8
026	a		_A497
082			_a370DASL
100			_aMary Ann Dasgupta
245			_aLow-Cost, No-Cost _bTeaching Aids
260			_aNew Delhi _bNational Book Trust, India _c1997
942			_2ddc _cBK _k370 _mDASL _n0
999			_c520 _d520