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test present

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test present

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test present

  1. 1. บทที่ 13นำเสนองานด้วยสื่ออิเล็กทรอนิกส์<br />
  2. 2. ซอฟต์แวร์การนำเสนองาน<br />
  3. 3. PowerPoint<br />

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