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Optimal data collection for randomized control trials
Carneiro, Pedro, (2016)
Carneiro, Pedro, (2017)
Logistics management in Finnish foreign trade transport
Ojala, Lauri M., (1995)
Modelling approaches in port planning and analysis
Ojala, Lauri M., (1992)
Shipping in Finland, Sweden and Norway : a transaction cost approach
Ojala, Lauri M., (1993)