Annual Survey of Ind ...
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Sri Lanka State of t ...
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The Sri Lanka Water ...
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Evolution and the Ge ...
Jinadasa Katupo ...
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E.F.W. Fernando
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Some More Commercial ...
K.A. Chowdhury, ...
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Sri Lanka Minerals A ...
J.W. Herath
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Use of Potash Fertil ...
U. Pethiyagoda
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A Hand Book to the F ...
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The Hydrogeochemical ...
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Freshwater Fauna and ...
C.H. Fernando
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A Process Story on B ...
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R.N. Chauhan
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Emerging Internation ...
Sunil Sharma
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Soil and Soil Conser ...
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J.W. Herath, K. ...
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Proceedings of the R ...
National Commit ...
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Vishwambhar Nat ...
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C.R. Panabokke
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