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Gresham, Oregon Gresham, Wisconsin Greshicë Greyhound Gressey Gresswiller Gressy, Seine-et-Marne Gressoney-Saint-Jean Gresik (huyện) GressanTài liệu tham khảo
WikiPedia: Gresham,_Oregon http://www.exploregresham.com/ http://www.pdx.edu/media/p/r/PRC_Certified_Cities_... http://www.greshamchamber.org/ http://www.multcolib.org/agcy/gsm.html //tools.wmflabs.org/geohack/geohack.php?language=v... //tools.wmflabs.org/geohack/geohack.php?language=v... http://www.ci.gresham.or.us/ http://www.ci.gresham.or.us http://www.ci.gresham.or.us/departments/cao/gresha... http://bluebook.state.or.us/local/cities/ek/gresha...