O. Odebiri, O. Mutanga, J. Odindi, K. Peerbhay, S. Dovey, and R. Ismail, “Estimating soil organic carbon stocks under commercial forestry using topo-climate variables in KwaZulu-Natal, South Africa”, S. Afr. J. Sci., vol. 116, no. 3/4, Mar. 2020, doi: 10.17159/sajs.2020/6339.