Engonga, Obame, et al. “Total Phenolic Composition, Antibacterial and Antioxidant Activities of Fagara Heitzii Aubr. & Pellegr. Medicinal Plant of Gabon”. VRI Phytomedicine, vol. 1, no. 3, Nov. 2013, pp. pp.85-92, https://doi.org/10.14259/pm.v1i3.50.