Manalo, Girlie T. <br/><br/>
Bioaccumulation potential of water lettuce (Pistia stratiotes) on lead and cadmium collected from selected sites of Pampanga river and Candaba swamp  [manuscript] / 
Girlie T. Manalo. 
 - [Pampanga] :  [Pampanga State Agricultural University],  2015. 
 - xiii, 46 leaves + 1 CD ;  29 cm.