Office Dealer & Office Solutions Magazine
http://www.os-od.com

Atlanta Convention and Visitors Bureau
www. atlanta .net

Meetings and Conventions Magazine
http://www.meetings-conventions.com/

The International Association of Administrative Professionals (IAAP) offers top-notch resources to help administrative professionals enhance their skills and become more effective contributors to their employers. 
http://iaap-hq.org

The Effective Admin website, the leading place on the web for administrative assistants and executive assistants to find practical tips to advance their careers and simplify their job duties. http://theeffectiveadmin.com