AHMED, B.; ABDULLAH, J. Ultrasound Assisted Synthesis Of Pyrazolone Derivatives. Journal of Education and Science, [S. l.], v. 26, n. 5, p. 57–63, 2013. DOI: 10.33899/edusj.2013.163055. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41306. Acesso em: 10 sep. 2025.