Rungpetch Khaengraeng. 2004. Characterisation of solar photo-oxidative disinfection. , Northumbria University;
Rungpetch Khaengraeng. (2004) Characterisation of solar photo-oxidative disinfection . Northumbria University/Northumbria.
Rungpetch Khaengraeng. Characterisation of solar photo-oxidative disinfection. . Northumbria:Northumbria University, 2004.
Rungpetch Khaengraeng. (2004) Characterisation of solar photo-oxidative disinfection . Northumbria University/Northumbria.