Hải, N. T., Hùng, N. V. and Hợp, N. V. (2019) “Eutrophication concern: A case study on several lakes in Dong Ha city”, Hue University Journal of Science: Natural Science, 128(1C), pp. 63-68. doi: 10.26459/hueuni-jns.v128i1C.5450.