@article{Mapfumo_Chagwiza_Antwi_2020, title={Impact of rainfall variability on maize yield in the KwaZulu-Natal, North-West and Free State provinces of South Africa (1987–2017)}, volume={58}, url={http://www1.up.poznan.pl/jard/index.php/jard/article/view/1357}, DOI={10.17306/J.JARD.2020.01357}, number={4}, journal={Journal of Agribusiness and Rural Development}, author={Mapfumo, Phrasia and Chagwiza, Clarietta and Antwi, Michael}, year={2020}, month={Dec.}, pages={359-367}