International Input-Output Association. (1989). Economic systems research: Journal of the International Input-Output Association. Carfax.
Chicago-čujuhus (17. p.)International Input-Output Association. Economic Systems Research: Journal of the International Input-Output Association. Abingdon, Oxfordshire: Carfax, 1989.
MLA-čujuhus (9. p.)International Input-Output Association. Economic Systems Research: Journal of the International Input-Output Association. Carfax, 1989.
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