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2. AFL-CIO, American Federation of Labor-Congress of Industrial Organizations 2013 Resolution 5: A broad, inclusive and effective labor movement http://www.aflcio.org/About/Exec-Council/Conventions/2013/Resolutions-and-Amendments/Resolution-5-A-Broad-Inclusive-and-Effective-Labor-Movement
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4. Labor unions and affordable housing: An uneasy relationship;Botein;Urban Affairs Review,2007