ชิ้นที่ 2 สังเกตพฤติกรรม
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| Type: | JPEG image |
|---|---|
| Created: | Sunday, 19 February 2017, 1:20 PM |
| Last modified: | Sunday, 19 February 2017, 1:20 PM |
| Size: | 137.4K (140697 bytes) |
| Download: | Download |
| Type: | JPEG image |
|---|---|
| Created: | Sunday, 19 February 2017, 1:20 PM |
| Last modified: | Sunday, 19 February 2017, 1:20 PM |
| Size: | 137.4K (140697 bytes) |
| Download: | Download |