Covey, Stephen R., The 7 habits of highly effective people : powerful lessons in personal change / Stephen R Covey; James C Collins. - 1 online resource (393 pages) : illustrations Includes index. ISBN: 9781982137274 9781982143817 (e-book) 9781471196591 (Proquest Ebook Central) Source: 6191151 Proquest Ebook Central Subjects--Topical Terms: Character.Leadership.