Keetch DP, Webster, JW, Ngqaka, A, Akanbi, R and Mahlanga, P., trans. “Bt Maize for Small Scale Farmers: A Case Study”. International Journal of Food Safety and Public Health 7, no. 1 (February 28, 2020): 1–5. Accessed October 5, 2025. https://ijpp.org/journal/index.php/ajb/article/view/45.