NhÆ¡n, Ä., Thạnh, T., Nghị, D., Trang, C., Kha, P., Anh, N., & Hải, P. 2014 Sep 15. Accumulation of Persistent Organic Pollutants in Sediment on Tidal Flats in the North of Vietnam. VNU Journal of Science: Earth and Environmental Sciences. [Online] 30:3