Robinson, Derek, 1932 Feb. 9- Introduction to economics : a revision aid / Derek Robinson. - Cambridge, Cambridgeshire, England ; Wolfeboro, N.H., USA : ICSA Pub., 1987. - vi, 138 p. : ill. ISBN: 0902197533 (pbk.) : $8.95 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .R65 1987 Dewey Class. No.: 330�19