TY - BOOK AU - Ang, Ma. Preciosa Monica V. TI - Copper content of water with and without water lettuce (Pistia stratiotes) AV - PHS TD 428.W37 .An4 2008 PY - 2008/// CY - Las PiƱas City, Philippines PB - Southville International School and Colleges KW - Water KW - Copper content KW - Pistia stratiotes KW - Environmental aspects KW - Aquatic plants KW - Pollutant removal N1 - Includes bibliographical references ER -