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ฝ.๑.๑๗/ผ.๑๗
4. 7, 14, 28
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5. 16, 24, 48
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6. 20, 30, 40, 60
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์
ส ถ า บั น ส ง เ ส ริ ม ก า ร ส อ น วิ ท ย า ศ า ส ต ร แ ล ะ เ ท ค โนโ ล ยี ( ส ส ว ท . )
่
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