Nguten Minh Ky และ Nguyen Hoang Lam. (2016) Analysis of Changing Trend of Fecal Coliform Levels at Lakes in Hue Citadel,Vietnam. <i>Environment and Natural Resources Journal</i>, <i>14</i>(1), 1-7.Nguten Minh Ky และ Nguyen Hoang Lam. "Analysis of Changing Trend of Fecal Coliform Levels at Lakes in Hue Citadel,Vietnam". Environment and Natural Resources Journal 14 (2016):1-7.Nguten Minh Ky และ Nguyen Hoang Lam. Analysis of Changing Trend of Fecal Coliform Levels at Lakes in Hue Citadel,Vietnam. Faculty of Environment and Resourdce Studies,Mahidol University:ม.ป.ท. 2016.