Ruokonen, K. (1977). Survey of Economic and Business Libraries in Scandinavia.
Cita Chicago Style (17a ed.)Ruokonen, Kyllikki. Survey of Economic and Business Libraries in Scandinavia. 1977.
Cita MLA (9a ed.)Ruokonen, Kyllikki. Survey of Economic and Business Libraries in Scandinavia. 1977.
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