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close this bookBasic Concepts in Environment, Agriculture and Natural Resources Management: An Information Kit (IIRR, 1993, 151 p.)
Open this folder and view contentsIntroduction
Open this folder and view contentsEcological basics
Open this folder and view contentsFreshwater and marine ecosystems
Open this folder and view contentsForest ecosystems
Open this folder and view contentsGlobal warming and acid rain
Open this folder and view contentsPollution
Open this folder and view contentsOthers
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