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الطاقة الكامنة في الابتسامة
6,461,164 views |
رون جاتمان |
TED2011
• March 2011
Read transcript
يستعرض رون جاتمان العديد من الدراسات التي تخص الابتسامة .. فهو يخبرنا ان الابتسام يزيد من عمر الفرد وسعادته و انه يعبر عن مدى نجاح الفرد
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