Wimhurst, Emma. BOOM! : 7 disciplines to control, grow & add impact to your business / BOOM! : seven disciplines to control, grow and add impact to your business. Emma Wimhurst with Sarah Sutton. - Hants : Diva Publishing Ltd., 2009. - xiii, 195 p. : ill. ; 23 cm. Includes index. ISBN: 9780956335609 (pbk.) 71.02 Subjects--Topical Terms: Success in business.Entrepreneurship.