441![](https://www.pdfsearch.io/img/fbeb4ee5076ee55854691b80ce934799.jpg) | Add to Reading ListSource URL: socserv.socsci.mcmaster.caLanguage: English - Date: 2001-06-18 22:49:51
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442![](https://www.pdfsearch.io/img/c1b4173b3f2daaa27c74ec7a4d3a1a74.jpg) | Add to Reading ListSource URL: elsa.berkeley.eduLanguage: English - Date: 2008-07-22 19:49:00
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443![](https://www.pdfsearch.io/img/31d448ad2a9f8a44175790c9e56aef46.jpg) | Add to Reading ListSource URL: econ.ucdenver.eduLanguage: English - Date: 2007-11-23 11:19:26
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444![](https://www.pdfsearch.io/img/98d0429425ff1135b092f39ed2d899ff.jpg) | Add to Reading ListSource URL: dspace.udel.eduLanguage: English |
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445![](https://www.pdfsearch.io/img/7a8c8c7e072f0836d100fd5ad2718ed3.jpg) | Add to Reading ListSource URL: www.philgraham.netLanguage: English - Date: 2009-12-04 04:31:18
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446![](https://www.pdfsearch.io/img/c1e7a38875a5b8b161478e193883b7c8.jpg) | Add to Reading ListSource URL: classes.design.ucla.eduLanguage: English - Date: 2007-11-05 02:09:20
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