คำชี้แจง : ให้นักเรียนบอกมารยาทในการติดต่อสื่อสารดังที่กำหนด
กิจกรรมที่ 5.3 เรื่อง มารยาทในการติดต่อสื่อสาร
ชื่อ-นามสกุล………………………………….……………… ชั้น ม.2/... เลขที่ …..
1.มารยาทในการใช้อีเมล
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2. มารยาทในการใช้แชทและเครือข่ายสังคม
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