151 | Add to Reading ListSource URL: www.greatchange.orgLanguage: English - Date: 2005-03-21 22:11:08
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152 | Add to Reading ListSource URL: www.dartmouth.eduLanguage: English - Date: 2009-02-20 07:43:59
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153 | Add to Reading ListSource URL: www.garretthardinsociety.orgLanguage: English - Date: 2003-01-21 01:17:16
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154 | Add to Reading ListSource URL: www.econ.ucdavis.eduLanguage: English - Date: 2007-03-04 18:33:01
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155 | Add to Reading ListSource URL: www.abep.nepo.unicamp.brLanguage: English - Date: 2005-06-28 12:32:09
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156 | Add to Reading ListSource URL: socserv2.socsci.mcmaster.caLanguage: English - Date: 2001-02-25 01:31:32
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157 | Add to Reading ListSource URL: socserv.mcmaster.caLanguage: English - Date: 2001-02-25 01:31:32
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158 | Add to Reading ListSource URL: socserv2.socsci.mcmaster.caLanguage: English - Date: 2005-02-24 14:53:27
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159 | Add to Reading ListSource URL: netedu.xauat.edu.cnLanguage: English - Date: 2008-09-08 23:44:30
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160 | Add to Reading ListSource URL: bora.cmi.noLanguage: English - Date: 2008-03-03 07:41:30
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