Hong Chua; Peter H. F. Yu & Chee K. Ma (March 1999). "Accumulation of biopolymers in activated sludge biomass". Applied Biochemistry and Biotechnology. 78 (1–3): 389–399. doi:10.1385/ABAB:78:1-3:389. ISSN0273-2289.
Hong Chua; Peter H. F. Yu & Chee K. Ma (March 1999). "Accumulation of biopolymers in activated sludge biomass". Applied Biochemistry and Biotechnology. 78 (1–3): 389–399. doi:10.1385/ABAB:78:1-3:389. ISSN0273-2289.