000			00438nam a2200157Ia 4500
003			NIELib
008			220420s9999||||xx |||||||||||||| ||und||
082			_a519.703 _bJOS
100			_aJoseph, V. _915286
245			_aඋසස් පෙළ ගතිකය
260			_bEducational publications department, _c1994. _aColombo:
300			_a418p.; _c21cm
650			_aMathematics
700			_aDharmadasa, J.P.D. _915290
942			_2ddc _cLM
999			_c48940 _d48940