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C.R. Panabokke
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One to One Glimpses of In ...
S.K. Ghai, Dina ...
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Freshwater Fauna and Fish ...
C.H. Fernando
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J.W. Herath, K. ...
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Some More Commercial Timb ...
K.A. Chowdhury, ...
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Industrial Clays of Sri L ...
J.W. Herath
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Sri Lanka Minerals A Desc ...
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Mervyn W. Thena ...
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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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Annual Survey of Industri ...
A.G.W. Nanayakk ...
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Emerging New Industrial S ...
Hidenori Okahas ...
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A Hand Book to the Fungi ...
Umarany Coomara ...
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P.B. Abeysinghe
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Use of Potash Fertilizer ...
U. Pethiyagoda
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Indirect Economic Impacts ...
Ramesh Bhatia, ...
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The Sri Lanka Water Buffa ...
B.M.A.O. Perera ...
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Proceedings of the Region ...
National Commit ...
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Evolution and the Geologi ...
Jinadasa Katupo ...
Sri Lanka State of the Ec ...
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Population and Manpower R ...
A.T.P.L. Abeyko ...
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The Hydrogeochemical Atla ...
C.B. Dissanayak ...
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Mineral Resources of Sri ...
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