Minh, Tran Thi, Tai Tue, Nguyen, AND Dang Quy, Tran. " Heavy Metal Concentrations in Sediment Cores from Different Mangrove Forests in Da Loc Commune, Hau Loc District, Thanh Hoa Province, Vietnam" VNU Journal of Science: Earth and Environmental Sciences [Online], Volume 34 Number 3 (24 September 2018)