TY - BOOK AU - Park, Seorin. TI - Improving water quality using duckweed (Lemna minor L.) and water hyacinth (Eichhornia crassipes) AV - PGS QK 495.A45 .P235 2019 PY - 2019/// CY - Las Piñas City, Philippines PB - Southville International School and Colleges KW - Water quality KW - Environmental aspects KW - Aquatic plants in water treatment KW - Duckweed KW - Water hyacinth KW - Aquatic plants KW - Water quality management N1 - Includes bibliographical references ER -