Gwagwalada, Abuja 

 - 2018 insuderc academic publishers  2018  67 p. :ill. ; 28 cm. 
 - Environmental  
<br/><br/><label>ISSN: </label>GE 170 .J68/ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SR
<br/><br/><label>LC Class. No.: </label>Journalm of environmental sciences and policy evaluation