Attih, Emmanuel E, Ekarika Johnson, Emmanuel I Etim, Hammed O Oladimeji, and Olorunfemi A Eseyin. 2021. “Validated Spectrophotometric Determination of Artesunate and Dihydroartemisinin Using Anisaldehyde/Sulphuric Acid Reagent”. Nigerian Journal of Pharmaceutical and Applied Science Research 10 (1):50-54. https://nijophasr.net/index.php/nijophasr/article/view/426.