Sajise, Percy E., <br/><br/>
Ecology, environment, and sustainable development :  reflections spanning five decades / 

 - College, Los Baņos, Laguna, Philippines :  Southeast Asian Regional Center for Graduate Study and Research in Agriculture :  University of the Philippines Los Baņos,  c2012. 
 - x, 151 p. :  ill. (some col.) ;  24 cm. 
<br/><br/><label>ISBN: </label>9789715601542 (hard) 9789715601528 (pbk.) 
<br/><br/><label>Dewey Class. No.: </label>SEA SAJ 2012 C336 Or.