Freshwater Fauna and Fish ...
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Natural Resources of Sri ...
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Coconut Industry in Sri L ...
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Policies and Their Implic ...
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Mineral Based Industries ...
J.W. Herath
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Energy Resources in Sri L ...
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Cereals Processing and Nu ...
Sewa Ram, B. Mi ...
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Evolution and the Geologi ...
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Indian Trees An Account o ...
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Use of Potash Fertilizer ...
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Limestone Resources of Sr ...
P.B. Abeysinghe
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Flavouring and Fragrant R ...
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Development of Plants
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Some More Commercial Timb ...
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Honey Production in Sri L ...
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A Hand Book to the Fungi ...
Umarany Coomara ...
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An Introduction to the Co ...
Muttukrishna Sa ...
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Flowers and Vegetables of ...
Romesh Kumar Su ...
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The Sri Lanka Water Buffa ...
B.M.A.O. Perera ...
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Soil and Soil Conservatio ...
Mervyn W. Thena ...
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The Hydrogeochemical Atla ...
C.B. Dissanayak ...
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