Biblioteca da Universidade do Minho

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Guimarães,, Rui Manuel Campos National planning of commodity import operations : the case of Portugal's feed grain imports / Rui Manuel Campos Guimarães

National planning of commodity import operations : the case of Portugal's feed grain imports / Rui Manuel Campos Guimarães . - Lancaster : University of Lancaster, 1981 . - 545 f., pag. var. : il. 30 cm . -
Tese ("Doctor of Philosophy"), University of Lancaster
382.5(469)