“Synthesis Characterization and Analytical Applications of New Chelating Resin of Formaldehyde-Condensed Phenolic Schiff Base”. Ibn AL-Haitham Journal For Pure and Applied Sciences 31, no. 2 (September 12, 2018): 97–114. Accessed May 5, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1961.