Islam, Mohammad Ekramol <br/><br/>
Environment and our existence 
Mohammad Ekramol Islam 
 - Bangladesh:  Northern University environmental club,  2009 
 - 72p. 
<br/><br/><label>Subjects--Index Terms: </label>Environmental science 
<br/><br/><label>Universal Decimal Class. No.: </label>51-7:504  / ISL