Nudo, Djoniore, A., <br/><br/>
Small-scale mining industry in paracale, camarines norte and its ecological and health risks / 
Djoniore A. Nudo. 
 - San Miguel Iriga City,  University of Saint Anthony.  2018 
 - 124 leaves : 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Dewey Class. No.: </label>363.7 MAED  / N88