W. S. KIBAARA, M. N. Kathuri, D. K. Kibetu, and J. M. Riungu, “Influence of Crop Farming on Soil Chemical Properties and Sustainable Watershed Management in the Tungu–Nithi Sub-Catchment, Kenya”, SQ, vol. 3, no. 1, pp. 1–10, Mar. 2026, doi: 10.36923/SQ.v3i1.418.