BUTTRUS, N.; ABBAS, W. Synthesis and Characterization of Coordination Polymers of N-(3-Hydroxy Phenyl) Maleamic acid- Formaldehyde Resins with Some BiposvtiveCations. Journal of Education and Science, [S. l.], v. 17, n. 2, p. 1–9, 2005. DOI: 10.33899/edusj.2005.81305. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/41766. Acesso em: 9 sep. 2025.