UNITED NATION. (1972). GUIDELINES FOR PROJECT EVALUATION. OXFORD & IBH PUBLISHING CO.
Chicago-čujuhus (17. p.)UNITED NATION. GUIDELINES FOR PROJECT EVALUATION. NEW DELHI: OXFORD & IBH PUBLISHING CO, 1972.
MLA-čujuhus (9. p.)UNITED NATION. GUIDELINES FOR PROJECT EVALUATION. OXFORD & IBH PUBLISHING CO, 1972.
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