Modification of Starch with Allopurinol and Ampicilline as Sulfonamide Derivatives. Al-Nahrain Journal of Science, [S. l.], v. 17, n. 3, p. 21–26, 2018. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/400. Acesso em: 4 apr. 2025.