Y. SHANDALA, M.; M. AL-SHAMAMRY, M.; A. A. AL-WAHAB, H.; G. SALIH, R. Physico-Chemical Study of Some Cross Conjugated Systems, Part II. Journal of Education and Science (JES), [S. l.], v. 24, n. 3, p. 1–13, 1999. DOI: 10.33899/edusj.1999.58802. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23732. Acesso em: 6 aug. 2025.