Thi Trinh, Le, Thi Thu Trang, Kieu, Thanh Trung, Nguyen, Khanh Linh, Nguyen, AND Tham, Trinh Thi. " Heavy Metal Accumulation and Potential Ecological Risk Assessment of Surface Sediments from Day River Downstream" VNU Journal of Science: Earth and Environmental Sciences [Online], Volume 34 Number 4 (24 December 2018)