Salwi Dilip, M. <br/><br/>
1000 environment quiz 
/ by Dilip M. Salwi. 
 - Calcutta :  Rupa.Co,  1990. 
 - xiv, 159 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>8171670229 
<br/><br/><label>Dewey Class. No.: </label>372.357 SAL