Sorokin, G. (1967). Planning in the U.S.S.R.: Problems of theory. Progress Pub.
Chicago-čujuhus (17. p.)Sorokin, G. Planning in the U.S.S.R.: Problems of Theory. Moscow: Progress Pub, 1967.
MLA-čujuhus (9. p.)Sorokin, G. Planning in the U.S.S.R.: Problems of Theory. Progress Pub, 1967.
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