Oranuch Limshevawong. 2000. The effects of pH on the availability of sediment bound mentals to the duckweed (Spirodela punctata). Faculty of Science, University of Technology Sydney;

Oranuch Limshevawong. The effects of pH on the availability of sediment bound mentals to the duckweed (Spirodela punctata). . Sydney:University of Technology Sydney, 2000.

Oranuch Limshevawong. (2000) The effects of pH on the availability of sediment bound mentals to the duckweed (Spirodela punctata) . University of Technology Sydney/Sydney.