Aderounmu, A. “Effects of Stock Age, Hormone Types and Concentrations on Rooting and Early Growth of Vitellaria Paradoxa C. F. Gaertn. Stem Cuttings”. Journal of Advances in Biology & Biotechnology, Vol. 22, no. 2, Aug. 2019, pp. 1-9, doi:10.9734/jabb/2019/v22i230109.