The Future of the Sierra Madre :  responding to social and ecological changes : proceedings of the 5th international conference on environment and development / 
edited by Jan van der Ploeg and Andres B. Masipiqueña. 
 - Tuguegarao City :  Golden Press,  c2005. 
 - 528 pages :  illustration ;  25 cm. 
<br/><br/>Proceedings of the 5th International Conferences on environment and development. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental economics.<br/>Environmental policy--Congresses.<br/>Environmental policy--International cooperation.<br/>Forests ad forestry-Phils.<br/>Sustainable development--Congresses.