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1Julkaistu 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>Peradeniya, Sri Lanka : Division of Agricultural Economics, Farm Management and Statistics, Dept. of Agriculture, 1980.ii, 34 p. ; 21 x 33 cm.“...Agricultural Economics Study ;...”
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2Julkaistu 1981### CRL customization ### ?> ### Add publisher and desc details ### ?>Peradeniya, Sri Lanka : Division of Agricultural Economics, Farm Management, and Statistics, Dept. of Agriculture, 1981.[10], 102 p. ; 21 x 34 cm.“...Agricultural economics study ;...”
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3Julkaistu 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>Peradeniya, Sri Lanka : Division of Agricultural Economics, Farm Management and Statistics, Dept. of Agriculture, 1980.iii, iii, 73 p. ; 21 x 33 cm.“...Agricultural economics study ;...”
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4Julkaistu 1982### CRL customization ### ?> ### Add publisher and desc details ### ?>Peradeniya, Sri Lanka : Division of Agricultural Economics and Projects, Dept. of Agriculture, 1982.2 v. ; 20 x 33 cm.“...Agricultural economics study ;...”
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5Julkaistu 1983### CRL customization ### ?> ### Add publisher and desc details ### ?>Peradeniya, Sri Lanka : Division of Agricultural Economics and Projects, Dept. of Agriculture, 1983.2 v. ; 20 x 33 cm.“...Agricultural economics study ;...”