Buttrus N, Abbas W. Synthesis and Characterization of Coordination Polymers of N-(3-Hydroxy Phenyl) Maleamic acid- Formaldehyde Resins with Some BiposvtiveCations. EDUSJ [Internet]. 2005 Jun. 1 [cited 2025 Aug. 4];17(2):1-9. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17627