Olajide, Blessing Olajide, et al. “A Machine Learning Framework for Precision Soil Quality Characterization for Crop-Specific Fertilizer Recommendation in Heterogeneous Agro-Ecosystems”. FUDMA Journal of Sciences, vol. 10, no. 22, Nov. 2026, pp. 288-95, https://doi.org/10.33003/fjs-2026-1022-6172.