F. T. Thema et al. 2021. ZnO Doped Graphite Nanocomposite via Agathosma Betulina Natural Extract with Improved Bandgap and Electrical Conductivity: Experimental Investigation. New Visions in Science and Technology Vol. 1. (Aug. 2021), 114–122. DOI:https://doi.org/10.9734/bpi/nvst/v1/3545F.