Akegacha Tananonchai และ Pantawat Sampanpanish. (2011) Effect of EDTA and DTPA on cadmium removal from contaminated soil with Eichhornia crassipes (water hyacinth). Chulalongkorn University:ม.ป.ท.Akegacha Tananonchai และ Pantawat Sampanpanish. 2011. Effect of EDTA and DTPA on cadmium removal from contaminated soil with Eichhornia crassipes (water hyacinth). ม.ป.ท.:Chulalongkorn University;Akegacha Tananonchai และ Pantawat Sampanpanish. Effect of EDTA and DTPA on cadmium removal from contaminated soil with Eichhornia crassipes (water hyacinth). ม.ป.ท.:Chulalongkorn University, 2011. Print.