This document is written in Thai and contains technical terms related to accounting, finance, operations and human resources. However, as the document is in Thai, I do not have enough context to provide an accurate high-level summary in English in 3 sentences or less.

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4. 2
1.
(Financial Accounting System)

5. 2 ()
2.(Managerial Accounting System)

6. 2.2.

7. 33
1.(Forecast)
2.(Financial Management)
3.(Financial Control)

8. 3.3.

10. 1.(Operations)
2.(Marketing Research)
3.(Competitor)
4.( Corporate Strategy)
5.(External Data)

11. 4.4.

12. 1. /(production/operations data)
2. (inventory data)
3. (supplier data)
4. (labor force and personnel data)
5. (corporate strategy)

14. 5.5.
(Human Resource Information System) HRIS
(Personal Information System) PIS

15. 55
• 1. (Capability)
• 2. (Control)
• 3. (Cost)
• 4. (Communication)
• 5. (Competitive Advantage)

16. 076
080
083
085
092
093
102
106