Eastham, J. K. Graphical economics. - London, English Universities Press [1960] - 333 p. illus. 23 cm. - Management science series . Includes bibliography. LCCN: 62034152 Nat. Bib. No.: GB60-19976 Subjects--Topical Terms: Economics, Mathematical. LC Class. No.: HB171 / .E22 Dewey Class. No.: 330.182