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10Published 1993Subjects: “...Sociaal-economische situatie gtt...”
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16Published 1983Subjects: “...Sociaal-economische situatie gtt...”
This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.Serial -
17Statisticheski godishnik na Narodna Republika Bŭlgarii͡a /Статистически годишник на Народна Република България /Published 1957Subjects: “...Sociaal-economische situatie gtt...”
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