Amoo, S. O., & Ayisire, B. E. (2005). Induction of callus and somatic embryogenesis from cotyledon explants of <i>Parkia biglobosa</i> (Jacq.) Benth. African Journal of Biotechnology, 4(1), 68–71. https://doi.org/10.4314/ajb.v4i1.15054