Kum, Christian Tegha, et al. “Can Sustainable Agricultural Innovations and Tools Be a Solution to Africa’s Food and Environmental Challenges? A Review”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 59, no. 1, June 2021, pp. 119-37, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12724.