Adegbolagun, O. M., E. A. Oyewande, and A. V. Fijabi. “Development of a Validated Ultraviolet Spectrophotometric Technique for The Assay of Dihydroartemisinin Content of Dihydroartemisinin-Piperaquine Tablet Combination”. Nigerian Journal of Pharmaceutical and Applied Science Research, vol. 9, no. 3, Sept. 2020, pp. 14-20, https://nijophasr.net/index.php/nijophasr/article/view/356.