TE CHUAN, L.; A.N, A. A.; N.A.S, M. P.; N, M.; H.Z, A.; M.I, I. Adsorption Efficiency of Polyvinyl Alcohol -Alginate Beads on Cr (VI): Effect of pH and Temperature. International Journal of Integrated Engineering, v. 10, n. 9, 1 Jan. 2019.