Wyniki
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Central planning in Poland after 1981
Krzysztof Porwit
Acta Universitatis Lodziensis. Folia Oeconomica /59 (1986) s. 49-65 -
Reflections on the nature of national planning
Krzysztof Porwit
Acta Universitatis Lodziensis. Folia Oeconomica /24 (1982) s. 81-96