Kannaporn Ruenpanich. 2003. Piggery wastewater treatment using an integration of anaerobic filters and constructed wetlands. Field of Study Environmental Technology, Mahidol University;
Kannaporn Ruenpanich. (2003) Piggery wastewater treatment using an integration of anaerobic filters and constructed wetlands . Mahidol University/Bangkok.
Kannaporn Ruenpanich. Piggery wastewater treatment using an integration of anaerobic filters and constructed wetlands. . Bangkok:Mahidol University, 2003.
Kannaporn Ruenpanich. (2003) Piggery wastewater treatment using an integration of anaerobic filters and constructed wetlands . Mahidol University/Bangkok.