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External Trade Statistics Sri Lanka 2008
22496
N/A
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Centrally Planned Agriculture - China and USSR
1184
1972
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The Effect of the New Rice Technology on Family Labor Utilization in Laguna
5938
1979
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Irrigation and Water Management in a Peasant Settlement Scheme of Sri Lanka
22720
N/A
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The Economics of Small- Appropriate Technology in a Changing World
15047C
N/A
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