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1Published 1979Subjects: “...Cropping systems Central America....”
Book -
2Published 1979Subjects: “...Cropping systems Central America....”
Book -
3
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4Published 1979Subjects: “...Agricultural systems Central America Evaluation....”
Book -
5Published 1980Subjects: “...Cropping systems Central America....”
Conference Proceeding Book -
6by Baz ́an, RufoSubjects: “...Soils Research Central America....”
Published 1978
Conference Proceeding Book -
7Published 1980Subjects: “...Agricultural systems Central America Congresses....”
Book -
8
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9