Nguyen Hong Hanh , Nguyen Thanh Hung , Nguyen Thanh Giao , Truong Hoang Dan. 2021. “Heavy Metals Concentrations in Soil at the Closed Landfill in An Giang Province, Vietnam”. Journal of Energy Technology and Environment 3 (2). https://doi.org/10.37933/nipes.e/3.2.2021.4.