Purba, Hermawan, Adhitasari Suratman, and Eko Sugiharto. “Validation of Spectrophotometric Method for Analysis of Anionic Surfactant Dodecyl Benzene Sulphonate (DBS) in Catfish (Clarias Batrachus) Using Malachite Green”. Journal of Applied Chemical Sciences 5, no. 2 (October 4, 2018): 483-487. Accessed December 7, 2022. https://ejurnal.undana.ac.id/index.php/jacs/article/view/1990.