Set-aside in the light of studies conducted in the countries of Western Europe and in the United States (review)

Orlowski, G., E-mail: orlog@poczta.onet.pl ; Nowak, L. (Akademia Rolnicza, Wroclaw (Poland). Katedra Rolniczych Podstaw Ksztaltowania Srodowiska)

Acta Scientiarum Polonorum. Agricultura, 2004 (3) [Periódico revisado por pares]

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