Giao, Nguyen T., and Huynh T.H. Nhien. “Ecological Risk, Seasonal and Depth Variations of Toxic Elements in a Closed Landfill in Vietnamese Mekong Delta Province”. Journal of Water and Land Development 57, no. 57 (June 30, 2023): 188–196. Accessed October 20, 2026. https://wydawnictwo.pan.pl/index.php/jwld/article/view/4825.