F. G. Kigorwe, K. Mworia, R. Muriungi, B. . Mutuma, and R. M. Matheka, “Characterizing natural and human-made features of sand dams in seasonal rivers of semi-arid regions in Kenya: A case of Kikuu sand river in Makueni County”, AJSTSS, vol. 4, no. 2, pp. PAS 17–24, Aug. 2025.