Assen, Marcel van. Key management models : the 60+ models every manager needs to know / Marcel van Assen, Gerben van den Berg, Paul Pietersma. - 2nd ed. - Harlow : FT/Prentice Hall, 2009. - xiv, 249 p. : ill. ; 24 cm. Includes index. Includes bibliographical references. ISBN: 9780273719106 (pbk.) Subjects--Topical Terms: Management.Organizational effectiveness.