Pharkphum Rakruam. 2008. Silica fouling of UTC-70 ultra low pressure reverse osmosis membrane in defluoridation of Chiang Mai basin groundwater. Graduate School, Chulalongkorn University;
Pharkphum Rakruam. (2008) Silica fouling of UTC-70 ultra low pressure reverse osmosis membrane in defluoridation of Chiang Mai basin groundwater . Chulalongkorn University/Bangkok.
Pharkphum Rakruam. Silica fouling of UTC-70 ultra low pressure reverse osmosis membrane in defluoridation of Chiang Mai basin groundwater. . Bangkok:Chulalongkorn University, 2008.
Pharkphum Rakruam. (2008) Silica fouling of UTC-70 ultra low pressure reverse osmosis membrane in defluoridation of Chiang Mai basin groundwater . Chulalongkorn University/Bangkok.