Concise manual of chemical enviromental safety in schols and colleges 
The forum for scientific excellence 
 - 5 vls. 
<br/><br/> BIBLIOTECA: UACH-FCQ 
<br/><br/><label>ISBN: </label>0-397-53007-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quimica--Estudio y enseñanza<br/>Seguridad escolar
<br/><br/><label>Dewey Class. No.: </label>540.0711  / CON 1991