000 00416 a2200157 4500
003 ISURa
008 160121b xxu||||| |||| 00| 0 eng d
041 _aSinhala
082 _a515
_bCAL
245 _aකලනය
_bඅවකල සමීකරණ
260 _c1986
_aNugegoda
_bOpen University
300 _bill.
_c29 cm.
_avii , 85 p.
650 _aMATHEMATICS
_98691
650 _aANLYSIS
_98692
942 _cLN
_2ddc
999 _c38680
_d40227