000			00403 a2200157 4500
003			ISURa
008			160121b xxu||||| |||| 00| 0 eng d
041			_aSinhala
082			_a515 _bCAL
245			_aකලනය _bඅනුකලනය
260			_c1985 _aNugegoda _bOpen University
300			_bill. _c29 cm. _av , 54 p.
650			_aANALYSIS _9612
650			_aMATHEMATICS _98690
942			_cLN _2ddc
999			_c38674 _d40221