Balatan, Sigfred C. <br/><br/>
Why did you let this happen :  photo reportage / 
Sigfred C. Balatan. 
 - 112 pages 
<br/><br/> a joint publication of the Foundation for the Philippine Environment and Philippine Rural Reconstruction Movement for the benefit of the Save the Sierra Madre Movement 
<br/><br/><label>ISBN: </label>RJDE. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources.<br/>Environmental protection--Citizen participation.
<br/><br/><label>LC Class. No.: </label>GF 85  / B3 1993