| realtor.org | National Association of Realtors |
| irem.org | Institute of Real Estate Management (IREM) |
| appraisalinstitute.org | Appraisal Institute |
| worldproperties.com | Worldproperties.com - Where You Find Distinctive International Real Estate |
| realtor.com | Realtor.com |
| ired.com | International Real Estate Digest (IRED) |
| icsc.org | International Council of Shopping Centers |
| icrea.org | Worldproperties.com - Where You Find Distinctive International Real Estate |
| iaao.org | International Association of Assessing Officers |
| fiabci-usa.com | Fiabci-usa: International Real Estate Federation |
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