TY - BOOK AU - Choi, A Young. TI - Use of Chitosan as flocculant AV - PHS TD 427 .C545 2012 PY - 2012/// CY - Las Piñas City, Philippines PB - Southville International School and Colleges KW - Chitosan KW - Usage KW - Flocculants KW - Analysis KW - Water purification KW - Chemical methods N1 - Includes bibliographical references ER -