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1Published 1977Subjects “...Forest policy Research Congresses....”
Book -
2by Sopper, William E.Subjects “...Forests and forestry Research Congresses....”
Published 1967
Book -
3Published 1983Subjects “...Forests and forestry Research New Zealand Congresses....”
Book -
4Published 1987Subjects “...Forests and forestry Research Southern States Congresses....”
Conference Proceeding Book -
5Published 1994Subjects “...Forests and forestry Research India Congresses....”
Conference Proceeding Book -
6