Warangkana Srimoke. 2008. Lead removal efficiency by Korat soil series with added fly ash. Field of Study Environmental Sanitation, Mahidol University;
Warangkana Srimoke. (2008) Lead removal efficiency by Korat soil series with added fly ash . Mahidol University/Bangkok.
Warangkana Srimoke. Lead removal efficiency by Korat soil series with added fly ash. . Bangkok:Mahidol University, 2008.
Warangkana Srimoke. (2008) Lead removal efficiency by Korat soil series with added fly ash . Mahidol University/Bangkok.