Virongrong Tubtimngam. 2001. Assessment of electrocoagulation when added to conventional sedimentation treatment for paper mill wastewater. Field of Study Environmental Technology, Mahidol University;
Virongrong Tubtimngam. (2001) Assessment of electrocoagulation when added to conventional sedimentation treatment for paper mill wastewater . Mahidol University/Bangkok.
Virongrong Tubtimngam. Assessment of electrocoagulation when added to conventional sedimentation treatment for paper mill wastewater. . Bangkok:Mahidol University, 2001.
Virongrong Tubtimngam. (2001) Assessment of electrocoagulation when added to conventional sedimentation treatment for paper mill wastewater . Mahidol University/Bangkok.