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|   | ADVANCES IN INPUT-OUTPUT ANALYSIS by POLENSKE, KAREN R. (Hardcover - 1976) ISBN: 9780884102779 Subject: ECONOMICS Publisher: BALLINGER | 
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|   | DEMOGRAPHIC, ECONOMIC AND SOCIAL INTERACTION by ANDERSSON, HOLMBERG (Hardcover - 1977) ISBN: 9780884100454 Subject: SOCIOLOGY Publisher: BALLINGER | 
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