Attih, E. E., C. Usifoh, O. A. Eseyin, and H. O. Oladimeji. 2020. “Determination of Dihydroartemisinin In Bulk And Pharmaceutical Formulations By Redox Titrations And UV – Spectrophotometry Using Potassium Permanganate As Oxidimetric Reagent”. Nigerian Journal of Pharmaceutical and Applied Science Research 3 (2):35-42. http://mail.nijophasr.net/index.php/nijophasr/article/view/64.