Khowhit, S., Inkapatanakul, W., Phewnil, O., Boutson, A. and Chunkao, K. 2014. The Coastal Water Quality Change by Effluent Discharging from Phetchaburi Municipal Wastewater Treatment System: The King’s Royally Initiated Environmental Research and Development Project, Phetchaburi province, Thailand. Environment and Natural Resources Journal. 12, 2 (Dec. 2014), 58–65.