Molelekoa, T. J., Regnier, T., da Silva, L. S., & Augustyn, W. A. (2018). Potential of marula (Sclerocarya birrea subsp. caffra) waste for the production of vinegar through surface and submerged fermentation. South African Journal of Science, 114(11/12). https://doi.org/10.17159/sajs.2018/4874