Wates, C. J. A visual approach to economic analysis / C. J. Wates. - Harlow, Longman, 1969. - [3], 220 p.; illus. 19 x 26 cm. Bibliography: p. 218-220. eng. ISBN: 0582350638 NA Subjects--Topical Terms: Economics. Dewey Class. No.: 330 WAT