Secrets of Powerful Presenters(whatmakesthemclick.net)1 points·by cdgreen1·15 yıl önce·0 commentswhatmakesthemclick.netSecrets of Powerful Presentershttp://www.whatmakesthemclick.net/2010/07/01/the-10-most-important-secrets-of-powerful-presenters/0 commentsPost comment—