Byrnes, Jonathan L. S. Islands of profit in a sea of red ink ; why 40% of your business is unprofitable, and how to fix it / Jonathan L.S. Byrnes. - 1st ed. - England ; Penguin group, 2010. - xii, 289 p. ; 24 cm. Includes index. ISBN: 9780670919567 (pbk.) LCCN: 2010017340 Subjects--Topical Terms: Corporate profits.Industrial management.Cost effectiveness. Dewey Class. No.: 658.1554 / BYR