Singh, Y.K. <br/><br/>
Teaching of environmental science 
Y.K. Singh 
 - New Delhi :   A.P.H. Publishing House,   c2005. 
 - x, 366 p. ;   21 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>81-7648-910-7. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Environmental science--Teaching of.<br/>2. Environmental education.
<br/><br/><label>Dewey Class. No.: </label>Circ. 333.7 S617t 2005