Saralde, Joenif R., <br/><br/>
Environmental management system (EMS) practices of public secondary schools in the division of albay / 
Joenif R. Saralde 
 - San Miguel, Iriga City  University of Saint Anthony  2019 
 - 366 leaves :  tables, figures ; 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Dewey Class. No.: </label>363.7 PH.D  / S7