Safni, Safni -, Eno Okta Patricia, Trisna Ollinovela, and Yulizar Yusuf. “Degradation of Phenol Using Sonolysis and Photolysis by TiO2 RHAC Catalyst and Analysis With Spectrophotometer UV-VIS and HPLC”. al Kimiya: Jurnal Ilmu Kimia dan Terapan 10, no. 1 (June 30, 2023): 50–56. Accessed December 6, 2025. http://journal.uinsgd.ac.id/index.php/ak/article/view/24775.