GH-BEDEWY, W.; SALIH, O.; AHMAD, A. Synthesis of New Pyrazolines Derivatives from Coumarine Compounds. Journal of Education and Science (JES), [S. l.], v. 24, n. 3, p. 34–40, 1999. DOI: 10.33899/edusj.1999.58792. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23723. Acesso em: 6 aug. 2025.