R. T, Abe, and Edewor-Kuponiyi T. I. 2014. “On the Procedures for the Extraction and Isolation of Flavonoids Present in the Methanolic Extract of Leaves of Acanthospermum Hispidiumdc”. International Journal of Natural Sciences Research 2 (2):20-29. https://archive.conscientiabeam.com/index.php/63/article/view/2312.