APA-čujuhus (7. p.)

tinbergen, j. (1962). the appraisal of investment projects: The semi input- output method. the institute of national planning.

Chicago-čujuhus (17. p.)

tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. cairo: the institute of national planning, 1962.

MLA-čujuhus (9. p.)

tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. the institute of national planning, 1962.

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