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F. de Boer | A. Eriks | G. Hamming | M.L. 't Hart | J. de Veer Interdisciplinary research in input/output relationships and production functions to improve decisions and efficiency for cow milk production
an outline of concepts and methods for joint technical/economic studies
Non-fictie
Engels | 136 pagina's | Organisation for Economic Co-operation and Development, [Paris] | 1969
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