J.O., Arogbodo, et al. “Processing Yield Percentage and Phytochemical Appraisement of the Leaf, Stem-Bark, Inflore-Infructescence, and Root of Petiveria Alliacea (Linneaus)”. International Journal of Scientific Research in Biological Sciences, vol. 8, no. 1, Feb. 2021, pp. 65-70, https://ijsrbs.isroset.org/index.php/j/article/view/442.