Analysis of heavy metal content (Pb, Cu, Mn, and Zn) in water and sediment of seagrass beds in Tihi-Tihi waters, Bontang City, East Kalimantan, Indonesia. jipt [Internet]. 2025 Oct. 29 [cited 2025 Dec. 3];4(2):77-81. Available from: https://e-journals2.unmul.ac.id/index.php/jipt/article/view/1319