Adsorption of Cu(II), Cd(II), and Pb(II) Using a Novel Adsorbent Based on Polyvinyl Alcohol Anchoring Citric Acid (PVA-CA). (2025). Journal of Applied Engineering and Technological Science (JAETS), 6(2), 907-921. https://doi.org/10.37385/jaets.v6i2.7408