Use of Potash Fertilizer ...
U. Pethiyagoda
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Mineral Based Industries ...
J.W. Herath
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Sri Lanka Minerals and Op ...
M.M.J.W. Herath ...
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The Granulite Facies in S ...
D.J.A.C. Hapuar ...
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Sri Lanka Beach Mineral S ...
M.M.J.W. Herath
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Common Vegetables of Sri ...
Tissa R. Herat, ...
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Honey Production in Sri L ...
E.F.W. Fernando
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Freshwater Fauna and Fish ...
C.H. Fernando
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Proceedings of the Region ...
National Commit ...
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The Sri Lanka Water Buffa ...
B.M.A.O. Perera ...
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Energy Resources in Sri L ...
J.W. Herath, K. ...
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The Hydrogeochemical Atla ...
C.B. Dissanayak ...
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Industrial Clays of Sri L ...
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Population and Manpower R ...
A.T.P.L. Abeyko ...
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A Hand Book to the Fungi ...
Umarany Coomara ...
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Evolution and the Geologi ...
Jinadasa Katupo ...
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Soil and Soil Conservatio ...
Mervyn W. Thena ...
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Soils and Agro-Ecological ...
C.R. Panabokke
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Land Use and Soil Resourc ...
Ademola K. Brai ...
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Sri Lanka Minerals A Desc ...
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Sri Lanka Minerals Yearbo ...
P. Manawansa, S ...
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Essentials of Hydrogeolog ...
B. Gurugnanam
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The Crystalline Crust of ...
A. Kroner, A. K ...
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