9

1 บทนำ 

2 1 

3 2 

4 3 

5 4 

6 5 

7 6 

8 7 

9 8 

10 9 

11 10 

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19 18 

20 19 

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25 24 

26 แจ้งงับๆ 

27 25 

28 26 

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35 33 

36 34 

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39 37 

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42 40 (Ncนิดหน่อย) 

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44 42 

45 43 

46 44 

47 45 

48 46 

49 47 

50 48 

51 49 (Nc+) 

52 50 (Nc+) 

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70 68 