Luepol Punnakanta และ Wimon Sonchaem. (2018) Estimation of non-point source BOD loading in urban area: A case study in Phetchaburi Municipality, Thailand. <i>Science, Engineering and Health Studies</i>, <i>12</i>(1), 59-68.Luepol Punnakanta และ Wimon Sonchaem. "Estimation of non-point source BOD loading in urban area: A case study in Phetchaburi Municipality, Thailand". Science, Engineering and Health Studies 12 (2018):59-68.Luepol Punnakanta และ Wimon Sonchaem. Estimation of non-point source BOD loading in urban area: A case study in Phetchaburi Municipality, Thailand. Silpakorn University Research and Development Institute:ม.ป.ท. 2018.