Gonzales, Gaudiosa A. <br/><br/>
Aquatic ecosystems / 
Gaudiosa A. Gonzales , Riza O. Aguilar. 
 - Quezon City :  Open University, University of the Philippines,     c2001. 
 - 438 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology--mathematical models.