Le Xuan Sinh, Le Van Nam, Nguyen Van Bach, Nguyen Thi Mai Luu, Do Manh Hao and Nguyen Thi Thu Ha 2025. The Heavy Metal Pollution Index in Seawater of the Coastal Aquaculture Zone in Quang Ninh, Vietnam. Research in Ecology. 7, 2 (Jun. 2025), 224–238. DOI:https://doi.org/10.30564/re.v7i2.9806.