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Puszcza Piska Puszcza Darżlubska Puszcza Biała Puszcza Zielona Puszcza Kurpiowska Puszczykowo PuszczynTài liệu tham khảo
WikiPedia: Puszcza Piska http://polandpoland.com/polish_forests.html http://www.unesco.org/mabdb/br/brdir/directory/bio... http://regiony.poland.gov.pl/warminsko-mazurskie/W... http://www.poland.gov.pl/Flora,308.html https://books.google.com/books?id=YgQ0B1CNYfQC&pg=... https://web.archive.org/web/20100728022418/http://... https://web.archive.org/web/20100815013832/http://... https://web.archive.org/web/20111002204740/http://... https://web.archive.org/web/20180704051936/http://...