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3
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Some commercial timbers of Thailand : their properties and uses / by Khid Suvarnasuddhi.
- Royal forest department,
- 1950.
- Bangkok :
-
Thailand and her agricultural problems
- Ministry of agriculture,
- 1950.
- Bangkok :
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Flood damage and flood control activities in Asia and the Far East / prep. by the Bureau of flood control, Economic commission for Asia and the Far East.
- UN. Economic commission for Asia and the Far East (ECAFE),
- 1950.
- Bangkok :