000 00418 a2200169 4500
020 _a9551178076
041 _aSn
082 _a338.06
_bFON
100 _aFonseka , Lal
245 _a‍නොපරදින තරගය
260 _c2000
_aColombo
_bSadeepa Prekashana
_g2005
300 _bill.
_c22 cm.
_a231 p.
650 _aECONOMICS
650 _aPRODUCTIVITY
650 _aPRODUCTION EFFICIENCY
942 _cSC
999 _c28385
_d29932