Rafdinal R, Linda R, Tavita G eva, Kurniadi B, Aritonang AB. Analysis of Lead (Pb) Heavy Metal Content in Tengkuyung Snail (Cerithidea obtuse) and Sediment in the Kuala Mangrove Area of Singkawang City. JBT [Internet]. 2022 Dec. 14 [cited 2024 Nov. 24];22(4):1378-83. Available from: http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/4403