"Europa orientale" . . "Economia socialista." . . "Desenvolupament econòmic." . . "Europe centrale" . . "Europe de l'Est - Politique économique." . . "Europe de l'Est" . . "Association internationale des sciences économiques. Conference" . . "Economische ontwikkeling." . . "Comunisme Europa." . . "Repubbliche popolari Economia." . . "Europa de l'est." . . . . "International Economic Association. (1964 : Plovdiv, Bulgària)" . . . "Conference / International Economic Association (1964.12 : Plovdiv)" . . . "International Economic Association. Conference (1964 : Plovdiv)" . . . "Països comunistes." . . "International Economic Association. (1964 : Plovdiv)" . . . "Oost-Europa." . . "Economic Developlent for Eastern Europe" . . . "Materiały konferencyjne" . . . . . . . "Economic development for eastern Europe : proceedings of a conference held by the International Economic Association" . "Economic development for Eastern Europe: proceedings of a conference held by the International Economic Association" . . "Economic development for eastern Europe" . . . . . "Economic development for Eastern Europe : proceedings" . . "Economic development for Eastern Europe : proceedings of a conference held by the International economic association [December 1964]" . "Economic development for Eastern Europe : Proceedings of a conference held by the International Economic Association" . "Economic development for Eastern Europe proceedings of a conference held by the International Economic Association"@en . "Economic development for Eastern Europe proceedings of a conference held by the International Economic Association" . . . . . . . . . . . . . . . . . . . . . . . . . . "Economic development for Eastern Europe : proceedings of a Conference held by the International economic association" . . . . "Economic development for Eastern Europe : proceedings of a conference held by the International Economic Association" . "Economic development for Eastern Europe : proceedings of a conference held by the International Economic Association"@en . "Congressen (vorm)" . "Economic development for Eastern Europe" . "Conference papers and proceedings"@en . . . . . . . . . . "Economic development for eastern Europe : proceedings of a conference held by the Internat. Economic Association" . "Economic development for Eastern Europe : proceedings of a conference [Plovdiv (Bulgaria), 1964] held by the International Economic Association" . . . . . . . . . . . . . . . "Economic development for Eastern Europe : Proceedings of a conference held by the International Economic Association : London, Melbourne, Toronto: Macmillan" . "Europa del Este Política económica 1945- Congresos." . . "développement économique Europe orientale." . . "Kraje socjalistyczne gospodarka polityka." . . "Europe, Eastern" . . "Asociación Internacional de Economía (París, Francia)" . . "Planificació central." . . "Planhushållning Östeuropa." . . "Gospodarka socjalistyczna." . . "Østeuropa." . . "Europa orientale - Politica economica." . . "Association internationale des sciences économiques. Conférence (1964 : Plovdiv, Bulgarie)" . . .