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1
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2Subjects: “…ecologie…”
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3Subjects:
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4Subjects:
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5
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6Subjects: “…economie…”
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7Subjects:
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8Subjects: “…marxistische economie…”
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9Periodiciteit: 4 maal per jaar, doorlopende nummeringSubjects: “…sociale economie…”
Date 1980-1984