Usison, Sebastian Harrison Waldo Benitez <br/><br/>
Integration of energy and material conservation program in the office processes of the Engineering Department 
Sebastian Harrison Waldo Benitez Usison 
 - Manila  De La Salle University  2008. 
<br/><br/>Environmental Engineering and Management 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Environmental engineering and management
<br/><br/><label>LC Class. No.: </label>CD-00383t