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A B C D E F G H I J K L M N P Q R S T U V Z    [ เกษตรศาสตร์ ( Agriculture ) ] back

S S1 S2 S4 S5 S6 S7 S9 SB SD SF SH SK Su

SD1 SD2 SD3 SD4 SD5

ลำดับที่	LC	คำอธิบาย
1		Forestry
2		Documents
3		Voyages, etc.
4		History of forestry. Forest conditions
5		Forestry education
6		Forestry machinery and engineering
7		Tools and implements
8		Forest roads
9		Forest soils
10		Forest meteorology. Forest microclimatology
11		Sylviculture
12		Conservation and protection Including forest influences, damage by elements, fires, forest reserves
13		Exploitation and utilization Including timber trees, fuelwood, logging, transportation, valuation
14		Administration. Policy
[แสดง 14/14 รายการ]