Afful, D. B., and K. Ayisi. “Farmers’ Perceptions of Climate Variability, Their Adaptation Strategies and Agricultural Productivity: A Case of Limpopo Province, South Africa”. South African Journal of Agricultural Extension (SAJAE), vol. 48, no. 2, Dec. 2020, pp. 36-49, doi:10.17159/2413-3221/2020/v48n2a536.