Economic utilization of water hyacinth / 
Edited by S. Z. Haider. 
 - Dhaka :  Department of chemistry,  1984. 
 - 101 p. :  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic
<br/><br/><label>Dewey Class. No.: </label>584.72  / ECO 1984