Illegal Logging in the Northern Sierra Madre Natural Park, the Philippines.Published in:Conservation & Society, 2011, v. 9, n. 3, p. 202, doi. 10.4103/0972-4923.86991By:van der Ploeg, Jan;van Weerd, Merlijn;Masipiqueña, Andres B.;Persoon, Gerard A.Publication type:Article