S, Rattanapan; R, Chanajaree. INVESTIGATION OF LEAD (PB) ADSORPTION BY CHEMICALLY ACTIVATED NIPAH FROND (NYPA FRUTICANS) POWDER. International Journal of Political Science and International Relations (IJPSIR), [S. l.], v. 13, n. 12, p. 9–18, 2023. Disponível em: https://zapjournals.com/Journals/index.php/IJPSIR/article/view/825. Acesso em: 27 jun. 2025.