000			00468nam a2200181Ia 4500
003			NIELib
008			220420s9999||||xx |||||||||||||| ||und||
020			_a9558381268
082			_a510 _bRAT
100			_aRatnayaka, W.
242			_aganithaya thakshanika pada
245			_aගණිතය තාක්ෂණික පද
260			_bSadeepa prakashana, _c2001. _aColombo :
300			_a47p.; _c22cm
650			_aMathematics
942			_2ddc _cLM
999			_c48913 _d48913