Sacena,	M M <br/><br/>
Applied environmental biology / 
M M Sacena 
 - Bikaner, India :   Argo Botanical Publishers,   1990- 
 - 143 p. :  Ill. ,  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology.<br/> Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>333.7  / SAA 1990