กลุ่ม3
- 2. F
F F F F F
F F
F F F F F F F F
F F F
F
- 3. F F F 2
1. F F
1
F F F F
( Primary Data)
F F F F F
F F
- 4. 2
2. F
F F F F
(Secondary Data)
F F F
F F
F F
- 5. F F F F F
F
F F
F F F
F
F
- 6. F
F F F
1) F
F F F F
2
(Numeric Data)
F
. F F
F
F 12 F
.
12, 9, 137 , 8319 , -46
- 7. 2) F
F F F F F
(Character Data)
F F
F COMPUTER, ON-
LINE, 1711101,&76