books.google.fr - With more than 400,000 copies now in print, The Craft of Research is the unrivaled resource for researchers at every level, from first-year undergraduates to research reporters at corporations and government offices. Seasoned researchers and educators Gregory G. Colomb and Joseph M. Williams present...http://books.google.fr/books/about/The_Craft_of_Research_Third_Edition.html?hl=fr&id=Y31pUtkwb2oC&q=research+problem&utm_source=gb-gplus-shareThe Craft of Research, Third Edition
