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1
Crop variety improvement and its effect on productivity the impact of international agricultural research /
Publicado em 2003An electronic book accessible through the World Wide Web; click to view
Recurso Electrónico livro electrónico -
2
Science for agriculture a long-term perspective /
Publicado em 2006An electronic book accessible through the World Wide Web; click to view
Recurso Electrónico livro electrónico -
3
Crop variety improvement and its effect on productivity the impact of international agricultural research /
Publicado em 2003An electronic book accessible through the World Wide Web; click to view
Recurso Electrónico livro electrónico -
4
Science for agriculture a long-term perspective /
Publicado em 2006An electronic book accessible through the World Wide Web; click to view
Recurso Electrónico livro electrónico