Qutub, Musa Y. <br/><br/>
Secondary environmental science methods / 
by Musa Y. Qutub. 
 - Columbus, Ohio :  Charles E. Merrill,  1973. 
 - iv, 124 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography: p. 71-82. 
<br/><br/><label>ISBN: </label>0675090687 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution--Study and teaching (Secondary)--United States.<br/>Environmental education--United States.