Ingham, Herbert. Interfirm comparison / Herbert Ingham and L. Taylor Harrington. - London : Heinemann, 1980. - x, 150 p. : ill ; 26 cm. - The Heinemann accountancy and administration series . - Heinemann accountancy and administration series. . Bibliography: p. 147-148. - Includes index. ISBN: 0434908207 Subjects--Topical Terms: Industrial efficiency--Great Britain.Corporations--Great Britain. Dewey Class. No.: 658.401