988 resultados para Yrjölä, Pentti: Kansanopistojen arviointiraportti "Perinteen ja nykyajan puristuksessa"
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Juha Seppo
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Yrjö Haila
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Anto Leikola
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English summary: Efficient business activity in small Ostrobothnian towns : profitability and productivity of shipping by sail during the eighteenth and nineteenth century
