Reference :
1. U.S. Environmental Protection Agency, Manual best management practices for pollution prevention in the textile industry, U.S Government Printing Office , Washington DC , September 1996
2. Thai ambica chemical co.,ltd, Ambifix v dyes for cellulosic fibres,
3. U.S. Environmental Protection Agency, EPA office of compliance sector notebook project : Profile of the textile industry, U.S Government Printing Office , Washington DC , September 1997