Abd El-Salam, Magda M <br/><br/>
Environmental education and its effect on the knowledge and attitudes of preparatory school students.  [electronic resource] 

 -  The Journal of the Egyptian Public Health Association  2009 
 - 345-69 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-2446