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000 100 200 300 400 500 600 700 800 900 [ สังคมศาสตร์ (Social Sciences) ] back |
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300 310 320 330 340 350 360 370 380 390 [ การพาณิชย์ การสื่อสาร การขนส่ง (Commerce, Communications, Transport) ] |
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380 381 382 383 384 385 386 387 388 389 [ Postal communication ] |
| DC | คำอธิบาย | ||||||||
| Postal communication | |||||||||
| Communications & transportation HE HE Transportation and communications | |||||||||
| Secondary industries and services | |||||||||
| General production economics | |||||||||
| Organization of production | |||||||||
| Business enterprises and their structure | |||||||||
| Combinations, trusts | |||||||||
| Economic development and growth | |||||||||
| [แสดง 8/8 รายการ] | |||||||||