jackson, d. (1982). Introduction to economics: Theory and data. the macmilian press ltd.
Tohutoru Kātū Chicago (17th ed.)jackson, dudley. Introduction to Economics: Theory and Data. london: the macmilian press ltd, 1982.
Tohutoro MLA (9th ed.)jackson, dudley. Introduction to Economics: Theory and Data. the macmilian press ltd, 1982.
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