GH-BEDEWY, W.; SALIH, O.; AHMAD, A. Synthesis of New Pyrazolines Derivatives from Coumarine Compounds. Journal of Education and Science, [S. l.], v. 24, n. 3, p. 34–40, 1999. DOI: 10.33899/edusj.1999.58792. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41864. Acesso em: 10 sep. 2025.