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Industrial Clays of Sri L ...
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Use of Potash Fertilizer ...
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The Hydrogeochemical Atla ...
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Evolution and the Geologi ...
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Population and Manpower R ...
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Energy Resources in Sri L ...
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Sri Lanka Minerals A Desc ...
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The Granulite Facies in S ...
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Sri Lanka Minerals and Op ...
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Proceedings of the Region ...
National Commit ...
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The Sri Lanka Water Buffa ...
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Sri Lanka Beach Mineral S ...
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Honey Production in Sri L ...
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The Crystalline Crust of ...
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Essentials of Hydrogeolog ...
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Freshwater Fauna and Fish ...
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Soil and Soil Conservatio ...
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