HAMMUD, K. K.; MOHAMMED, M. M.; ABDUL RAOUF, L. M.; IBRAHIM, S. S.; ZNAD, D. E. Folic Acid With Fluorene: A Complexation Study by UV and FTIR Spectroscopies. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 22, n. 4, 2017. Disponível em: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1129. Acesso em: 1 may. 2025.