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*1001 $aRanatunga, A.S.$0(NO-TrBIB)21908$_65913400
*24510$aSome issues confronting the rehabilitation of major irrigation schemes :$ba report arising from pre-investment surveys of conditions at the Tank Irrigation Modernization Project ("Five Tanks")$c[A.S. Ranatunge [i.e. Ranatunga], J. Farrington, W.A.T. Abeysekera]
*260  $aColombo$bAgrarian Research & Training Institute$c1981
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*4901 $aResearch study / Agrarian Research and Training Institute$vno 44
*7001 $aAbeysekera, W.A.T.$0(NO-TrBIB)90889185$_60244300
*7001 $aFarrington, John$0(NO-TrBIB)90584400$_47347200
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