Siritham Singhtho. 2001. Decolorization of basic, direct and reactive dyes by pre-treated narrow-leaved cattail (Typha angustifolia Lin.). Field of Study Environmental sanitation, Mahidol University;
Siritham Singhtho. (2001) Decolorization of basic, direct and reactive dyes by pre-treated narrow-leaved cattail (Typha angustifolia Lin.) . Mahidol University/Bangkok.
Siritham Singhtho. Decolorization of basic, direct and reactive dyes by pre-treated narrow-leaved cattail (Typha angustifolia Lin.). . Bangkok:Mahidol University, 2001.
Siritham Singhtho. (2001) Decolorization of basic, direct and reactive dyes by pre-treated narrow-leaved cattail (Typha angustifolia Lin.) . Mahidol University/Bangkok.