Satria D, Rifda Amaliya Ma’ruf, Syukur Berkat Waruwu, Urip Harahap, Hari Purnomo4. Antioxidant activity of 1.3-bis(p-hydroxyphenyl)urea by CUPRAC and FRAP methods. Indonesian J. of Pharmaceutical and Clinical Res. [Internet]. 2023Apr.30 [cited 2025Aug.18];6(1):48-54. Available from: https://idjpcr.usu.ac.id/idjpcr/article/view/17768